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Federal Land Management: Observations on a Possible Move of the Forest Service into the Department of the Interior (open access)

Federal Land Management: Observations on a Possible Move of the Forest Service into the Department of the Interior

A letter report issued by the Government Accountability Office with an abstract that begins "Growing ecological challenges ranging from wildland fires to climate change have revived interest in moving the Department of Agriculture's (USDA) Forest Service into the Department of the Interior (Interior). The Forest Service manages almost a quarter of the nation's lands but is the only major land management agency outside Interior. GAO was asked to report on the potential effects of moving the Forest Service into Interior and creating a new bureau equal to Interior's other bureaus, such as the Bureau of Land Management (BLM). GAO was also asked to identify factors that should be considered if such a move were legislated and management practices that could facilitate a move. GAO analyzed five historical proposals to reorganize federal land management agencies; interviewed USDA, Interior, and other officials and outside experts; and studied joint Forest Service- BLM programs to assess efforts to integrate the agencies' work."
Date: February 11, 2009
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Best Practices: Setting Requirements Differently Could Reduce Weapon Systems' Total Ownership Costs (open access)

Best Practices: Setting Requirements Differently Could Reduce Weapon Systems' Total Ownership Costs

A chapter report issued by the General Accounting Office with an abstract that begins "For fiscal year 2003, the Department of Defense (DOD) asked for about $185 billion to develop, procure, operate, and maintain its weapon systems. This request represents an increase of 18 percent since 2001 for the total ownership costs of DOD weapon systems. Often, DOD systems need expensive spare parts and support systems after they are fielded to meet required readiness levels. DOD has been increasingly concerned that the high cost of maintaining systems has limited its ability to modernize and invest in new weapons. This report examines the best practices of leading commercial firms to manage a product's total ownership costs and determines if those practices can be applied to DOD."
Date: February 11, 2003
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Highway Trust Fund: Overview of Highway Trust Fund Financing (open access)

Highway Trust Fund: Overview of Highway Trust Fund Financing

A statement of record issued by the General Accounting Office with an abstract that begins "The Transportation Equity Act for the 21st Century changes the budgetary treatment of programs financed by the Highway Trust Fund. In particular, the act guaranteed annual funding levels for most highway and transit programs and linked highway user tax receipts, such as those from motor fuel and truck tire taxes, to the annual funding levels for highway programs. Revenue aligned budget authority adjustments are made to the annual guaranteed funding level provided in the act as highway account receipt levels change. For the first time, the adjustment for fiscal year 2003 is negative--decreasing the guaranteed level of highway funding by $4.369 billion. GAO found that the amounts distributed to the Highway Trust Fund for the first nine months of fiscal year 2001, as adjusted based on the Internal Revenue Service's certifications, were reasonable and adequately supported based on available information."
Date: February 11, 2002
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Applying Agreed-Upon Procedures: Highway Trust Fund Excise Taxes (open access)

Applying Agreed-Upon Procedures: Highway Trust Fund Excise Taxes

Correspondence issued by the General Accounting Office with an abstract that begins "GAO helped the Department of Transportation to determine whether the net excise tax revenue distributed to the Highway Trust Fund for fiscal year 2001 was supported by the underlying records. In performing the agreed-upon procedures, GAO did its work in accordance with U.S. generally accepted government auditing standards, which incorporate financial audit and attestation standards established by the American Institute of Certified Public Accountants."
Date: February 11, 2002
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Critical Infrastructure Protection: National Plan for Information Systems Protection (open access)

Critical Infrastructure Protection: National Plan for Information Systems Protection

Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO assessed national security legal authorities related to infrastructure protection, focusing on the administration's National Plan for Information Systems Protection."
Date: February 11, 2000
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Contract Management: Opportunities to Improve Pricing of GSA Multiple Award Schedules Contracts (open access)

Contract Management: Opportunities to Improve Pricing of GSA Multiple Award Schedules Contracts

A letter report issued by the Government Accountability Office with an abstract that begins "Federal agencies can directly purchase more than 8 million commercial products and services through the General Services Administration's (GSA) multiple award schedules (MAS) contracts. Over the past 10 years, MAS contract sales have increased dramatically--with sales jumping from $4 billion to $32 billion. In addition to simplifying the procurement process, the MAS program is designed to take advantage of the government's significant aggregate buying power. While GSA seeks to negotiate best pricing for its MAS contracts by analyzing vendor-provided information--such as discounts given to other customers and recent sales data for the same or similar items--past reports have found that GSA has not always used pricing tools effectively and that management controls for better ensuring fair and reasonable pricing had been reduced. This report discusses GSA's process for negotiating most favored customer prices for MAS contracts and its efforts to improve the overall quality of negotiations."
Date: February 11, 2005
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
DOD Systems Modernization: Management of Integrated Military Human Capital Program Needs Additional Improvements (open access)

DOD Systems Modernization: Management of Integrated Military Human Capital Program Needs Additional Improvements

A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Defense (DOD) has long-standing problems with its information technology (IT) systems supporting military personnel and pay. To address these problems, DOD initiated the Defense Integrated Military Human Resources System (DIMHRS) program, which is to provide a joint, integrated, standardized military personnel and pay system across all military components. In November 2004, DOD accepted the design for the first of three phases, DIMHRS (Personnel/Pay). GAO reviewed DOD's management of the requirements definition for the system as well as the program's management structure."
Date: February 11, 2005
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Foreign Assistance: U.S. Trade Capacity Building Extensive, but Its Effectiveness Has Yet to Be Evaluated (open access)

Foreign Assistance: U.S. Trade Capacity Building Extensive, but Its Effectiveness Has Yet to Be Evaluated

A letter report issued by the Government Accountability Office with an abstract that begins "Many developing countries have expressed concern about their inability to take advantage of global trading opportunities. The United States considers this ability a key factor in reducing poverty, achieving economic growth, raising income levels, and promoting stability. U.S. trade capacity building assistance is designed to address these concerns. GAO (1) identified the nature and extent of U.S. trade capacity building; (2) described how agencies implement such assistance, including coordination; and (3) assessed whether agencies evaluate its effectiveness."
Date: February 11, 2005
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Financial Audit: Federal Deposit Insurance Corporation Funds' 2007 and 2006 Financial Statements (open access)

Financial Audit: Federal Deposit Insurance Corporation Funds' 2007 and 2006 Financial Statements

A letter report issued by the Government Accountability Office with an abstract that begins "GAO is required to annually audit the financial statements of the Deposit Insurance Fund (DIF) and FSLIC Resolution Fund (FRF), which are administered by the Federal Deposit Insurance Corporation (FDIC). GAO is responsible for obtaining reasonable assurance about whether FDIC's financial statements for DIF and FRF are presented fairly in all material respects, in conformity with U.S. generally accepted accounting principles, and whether FDIC maintained effective internal control over financial reporting and compliance with laws and regulations. Also, GAO is responsible for testing FDIC's compliance with selected laws and regulations. Created in 1933 to insure bank deposits and promote sound banking practices, FDIC plays an important role in maintaining public confidence in the nation's financial system. In 1989, legislation to reform the federal deposit insurance system created three funds to be administered by FDIC: the Bank Insurance Fund (BIF) and the Savings Association Insurance Fund (SAIF), which protect bank and savings deposits, and FRF, which was created to close out the business of the former Federal Savings and Loan Insurance Corporation. In accordance with subsequent legislation passed in 2006, FDIC merged the BIF and SAIF into …
Date: February 11, 2008
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Financial Audit: Federal Deposit Insurance Corporation Funds' 2004 and 2003 Financial Statements (open access)

Financial Audit: Federal Deposit Insurance Corporation Funds' 2004 and 2003 Financial Statements

A letter report issued by the Government Accountability Office with an abstract that begins "GAO is required to annually audit the financial statements of the Bank Insurance Fund (BIF), Savings Association Insurance Fund (SAIF), and FSLIC Resolution Fund (FRF), which are administered by the Federal Deposit Insurance Corporation (FDIC). GAO is responsible for obtaining reasonable assurance about whether FDIC's financial statements for BIF, SAIF, and FRF are presented fairly in all material respects, in conformity with U.S. generally accepted accounting principles, and whether FDIC maintained effective internal control over financial reporting and compliance. Also, GAO is responsible for testing FDIC's compliance with selected laws and regulations. Created in 1933 to insure bank deposits and promote sound banking practices, FDIC plays an important role in maintaining public confidence in the nation's financial system. In 1989, legislation to reform the federal deposit insurance system created three funds to be administered by FDIC: BIF and SAIF, which protect bank and savings deposits, and FRF, which was created to close out the business of the former Federal Savings and Loan Insurance Corporation."
Date: February 11, 2005
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Mortgage Financing: Actions Needed to Help FHA Manage Risks from New Mortgage Loan Products (open access)

Mortgage Financing: Actions Needed to Help FHA Manage Risks from New Mortgage Loan Products

A letter report issued by the Government Accountability Office with an abstract that begins "The U.S. Department of Housing and Urban Development (HUD), through its Federal Housing Administration (FHA), insures billions of dollars in home mortgage loans made by private lenders. FHA insures low down payment loans and a number of parties have made proposals to either eliminate or otherwise change FHA's borrower contribution requirements. GAO was asked to (1) identify the key characteristics of existing low and no down payment products, (2) review relevant literature on the importance of loan-to-value (LTV) ratios and credit scores to loan performance, (3) report on the performance of low and no down payment mortgages supported by FHA and others, and (4) identify lessons for FHA from others in terms of designing and implementing low and no down payment products."
Date: February 11, 2005
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
U.N. Peacekeeping: Estimated U.S. Contributions, Fiscal Years 1996-2001 (open access)

U.N. Peacekeeping: Estimated U.S. Contributions, Fiscal Years 1996-2001

A letter report issued by the General Accounting Office with an abstract that begins "The United Nations (U.N.) Security Council authorized or maintained 33 peacekeeping operations in 28 countries between fiscal years 1996 and 2001. Fifteen operations were ongoing as of January 2002. Although U.N. member countries are directly assessed for the cost of these operations, some countries, including the United States, implement programs or activities that provide indirect support to peacekeeping operations. The United States directly contributed an estimated $3.45 billion to support U.N. peacekeeping from fiscal years 1996 through 2001. U.S. contributions that indirectly benefited U.N. peacekeeping are estimated at $24.2 billion during this period. GAO defined indirect contributions as U.S. programs and activities that are located in the same area as an ongoing U.N. peacekeeping operation, have objectives that help the peacekeeping operation achieve its mandated objectives, and are not an official part of the U.N. operation."
Date: February 11, 2002
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Veterans Benefits Administration: Better Staff Attrition Data and Analysis Needed (open access)

Veterans Benefits Administration: Better Staff Attrition Data and Analysis Needed

Testimony issued by the General Accounting Office with an abstract that begins "By the year 2006, the Veterans Benefits Administration (VBA) projects it will lose a significant portion of its mission-critical workforce to retirement. Since fiscal year 1998, VBA has hired over 2,000 new employees to begin to fill this expected gap. GAO was asked to review, with particular attention for new employees, (1) the attrition rate at VBA and the soundness of its methods for calculating attrition and (2) whether VBA has adequate data to effectively analyze the reasons for attrition. To answer these questions, we obtained and analyzed attrition data from VBA's Office of Human Resources, calculated attrition rates for VBA and other federal agencies using a government-wide database on federal employment, and interviewed VBA officials about their efforts to measure attrition and determine why new employees leave."
Date: February 11, 2003
Creator: United States. General Accounting Office.
Object Type: Text
System: The UNT Digital Library
Energy Policy Act of 1992: Limited Progress in Acquiring Alternative Fuel Vehicles and Reaching Fuel Goals (open access)

Energy Policy Act of 1992: Limited Progress in Acquiring Alternative Fuel Vehicles and Reaching Fuel Goals

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on the progress towards achieving the goals of the Energy Policy Act's petroleum replacement programs, focusing on the: (1) progress made in acquiring alternative fuel vehicles and using alternative fuels to meet the act's fuel replacement goals; (2) impediments to using alternative fuel vehicles; and (3) measures that can be taken to address those impediments to using alternative fuel vehicles and alternative fuels to help reach the act's replacement goals."
Date: February 11, 2000
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
National Airspace System: FAA Reauthorization Issues are Critical to System Transformation and Operations (open access)

National Airspace System: FAA Reauthorization Issues are Critical to System Transformation and Operations

Testimony issued by the Government Accountability Office with an abstract that begins "As requested, this statement discusses issues for the reauthorization of the Federal Aviation Administration (FAA). The aviation industry is in a period of economic turmoil and faces an uncertain future. At the same time, FAA is undertaking one of its most ambitious efforts ever to transform the nation's air traffic control system. The reauthorization of FAA provides an opportunity for Congress and FAA to focus on several key issues to improve the national airspace system. This statement is based on recent and ongoing work and on discussions with selected senior FAA officials and representatives of the aviation industry. This work was conducted in accordance with generally accepted government auditing standards. Those standards require that GAO plan and perform the audit to obtain sufficient, appropriate evidence to provide a reasonable basis for findings and conclusions based on the audit objectives. GAO believes that the evidence obtained provides a reasonable basis for the findings and conclusions based on the audit objectives."
Date: February 11, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Workforce Investment Act: Better Guidance and Revised Funding Formula Would Enhance Dislocated Worker Program (open access)

Workforce Investment Act: Better Guidance and Revised Funding Formula Would Enhance Dislocated Worker Program

A letter report issued by the General Accounting Office with an abstract that begins "Under the Workforce Investment Act, local workforce areas are likely to offer dislocated workers services that are tailored to local needs and that emphasize a quick return to employment. Nine of the local workforce areas that GAO visited emphasized a quick return to work and enrolled fewer dislocated workers into training than were enrolled under the Job Training Partnership Act (JTPA). Five local areas enrolled into training an equal or greater number of dislocated workers than were enrolled under JTPA. States used the act's flexibility to decide how much of their set-aside funds to spend on rapid response for dislocated workers and how much to spend on other statewide activities. Most of the 50 states that responded to a GAO survey on rapid response activities said that their state unit provided services when layoffs and plant closings involved 50 or more workers and that the state generally relied on local workforce area officials to provide rapid response services for layoffs affecting fewer workers. Workforce officials in several states expressed concern that the act's dislocated worker funding formula causes dramatic fluctuations in funding that are unrelated to …
Date: February 11, 2002
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Medicare Subvention Demonstration: Pilot Satisfies Enrollees, Raises Cost and Management Issues for DOD Health Care (open access)

Medicare Subvention Demonstration: Pilot Satisfies Enrollees, Raises Cost and Management Issues for DOD Health Care

A letter report issued by the General Accounting Office with an abstract that begins "The Department of Defense's (DOD) Medicare subvention demonstration tested alternate approaches to health care coverage for military retirees. Retirees could enroll in new DOD-run Medicare managed care plans, known as TRICARE Senior Prime, at six sites. The demonstration plan offered enrollees the full range of Medicare-covered services as well as additional TRICARE services, with minimal copayments. During the demonstration period, the program parameters were changed, allowing military retirees age 65 and older to become eligible for TRICARE coverage as of October 1, 2001, and Senior Prime was extended for one year. The demonstration showed that retirees were interested in enrolling in low-cost military health plans and that DOD was able to satisfy its Senior Prime enrollees. By the close of the initial demonstration period, about 33,000 retirees were enrolled in Senior Prime, and more were on waiting lists. When nonenrollees were asked why they did not join Senior Prime, more than 60 percent said that they were satisfied with their existing health coverage; few said that they disliked military care. Although the demonstration had positive results for enrollees, it also highlighted three challenges confronting the military …
Date: February 11, 2002
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
2000 Census: Best Practices and Lessons Learned for More Cost-Effective Nonresponse Follow-up (open access)

2000 Census: Best Practices and Lessons Learned for More Cost-Effective Nonresponse Follow-up

A letter report issued by the General Accounting Office with an abstract that begins "Nonresponse follow-up--in which Census Bureau enumerators go door-to-door to count individuals who have not mailed back their questionnaires--was the most costly and labor intensive of all 2000 Census operations. According to Bureau data, labor, mileage, and administrative costs totaled $1.4 billion, or 22 percent of the $6.5 billion allocated for the 2000 Census. Several practices were critical to the Bureau's timely competition of nonresponse follow-up. The Bureau (1) had an aggressive outreach and promotion campaign, simplified questionnaire, and other efforts to boost the mail response rate and thus reduce the Bureau's nonresponse follow-up workload; (2) used a flexible human capital strategy that enabled it to meet its national recruiting and hiring goals and position enumerators where they were most needed; (3) called on local census offices to identify local enumeration challenges, such as locked apartment buildings and gated communities, and to develop action plans to address them; and (4) applied ambitious interim "stretch" goals that encouraged local census offices to finish 80 percent of their nonresponse follow-up workload within the first four weeks and be completely finished by the end of the eighth week, as opposed …
Date: February 11, 2002
Creator: United States. General Accounting Office.
Object Type: Report
System: The UNT Digital Library
Defense Management: Actions Needed to Overcome Long-standing Challenges with Weapon Systems Acquisition and Service Contract Management (open access)

Defense Management: Actions Needed to Overcome Long-standing Challenges with Weapon Systems Acquisition and Service Contract Management

Testimony issued by the Government Accountability Office with an abstract that begins "Today's testimony addresses the challenges DOD faces to improve the efficiency and effectiveness of its weapon systems acquisition and contract management. GAO has designated both areas as high risk areas since the early 1990s. DOD's major weapon systems programs continue to take longer to develop, cost more, and deliver fewer quantities and capabilities than originally planned. DOD also continues to face long-standing challenges managing service contracts and contractors. For example, the oversight of service contracts has been recognized as a material weakness in the Army. The current fiscal environment combined with the current operational demands elevates the need to improve weapon systems acquisition and contract management. DOD has taken steps in response to recommendations GAO has made over the past decade. Taken collectively, these actions reflect the commitment of DOD senior leadership. However, to fully address these challenges the department needs to (1) translate policy into practice, (2) ensure steps undertaken result in intended outcomes, and (3) conduct a fundamental reexamination of its reliance on contractors. In preparing this testimony, GAO drew from issued reports, containing statements of scope and methodology used, and testimonies."
Date: February 11, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Technical Risk Rating of DOE Environmental Projects - 9153 (open access)

Technical Risk Rating of DOE Environmental Projects - 9153

The U.S. Department of Energy's Office of Environmental Management (DOE-EM) was established to achieve the safe and compliant disposition of legacy wastes and facilities from defense nuclear applications. The scope of work is diverse, with projects ranging from single acquisitions to collections of projects and operations that span several decades and costs from hundreds of millions to billions US$. The need to be able to manage and understand the technical risks from the project to senior management level has been recognized as an enabler to successfully completing the mission. In 2008, DOE-EM developed the Technical Risk Rating as a new method to assist in managing technical risk based on specific criteria. The Technical Risk Rating, and the criteria used to determine the rating, provides a mechanism to foster open, meaningful communication between the Federal Project Directors and DOE-EM management concerning project technical risks. Four indicators (technical maturity, risk urgency, handling difficulty and resolution path) are used to focus attention on the issues and key aspects related to the risks. Pressing risk issues are brought to the forefront, keeping DOE-EM management informed and engaged such that they fully understand risk impact. Use of the Technical Risk Rating and criteria during reviews …
Date: February 11, 2009
Creator: Cercy, Michael; Fayfich, Ronald & Schneider, Steven
Object Type: Article
System: The UNT Digital Library
Heterogeneous processes at the intersection of chemistry and biology: A computational approach (open access)

Heterogeneous processes at the intersection of chemistry and biology: A computational approach

Heterogeneous processes hold the key to understanding many problems in biology and atmospheric science. In particular, recent experiments have shown that heterogeneous chemistry at the surface of sea-salt aerosols plays a large role in important atmospheric processes with far reaching implications towards understanding of the fate and transport of aerosolized chemical weapons (i.e. organophosphates such as sarin and VX). Unfortunately, the precise mechanistic details of the simplest surface enhanced chemical reactions remain unknown. Understanding heterogeneous processes also has implications in the biological sciences. Traditionally, it is accepted that enzymes catalyze reactions by stabilizing the transition state, thereby lowering the free energy barrier. However, recent findings have shown that a multitude of phenomena likely contribute to the efficiency of enzymes, such as coupled protein motion, quantum mechanical tunneling, or strong electrostatic binding. The objective of this project was to develop and validate a single computational framework based on first principles simulations using tera-scale computational resources to answer fundamental scientific questions about heterogeneous chemical processes relevant to atmospheric chemistry and biological sciences.
Date: February 11, 2008
Creator: Kuo, I W & Mundy, C J
Object Type: Report
System: The UNT Digital Library
CLOMP: Accurately Characterizing OpenMP Application Overheads (open access)

CLOMP: Accurately Characterizing OpenMP Application Overheads

Despite its ease of use, OpenMP has failed to gain widespread use on large scale systems, largely due to its failure to deliver sufficient performance. Our experience indicates that the cost of initiating OpenMP regions is simply too high for the desired OpenMP usage scenario of many applications. In this paper, we introduce CLOMP, a new benchmark to characterize this aspect of OpenMP implementations accurately. CLOMP complements the existing EPCC benchmark suite to provide simple, easy to understand measurements of OpenMP overheads in the context of application usage scenarios. Our results for several OpenMP implementations demonstrate that CLOMP identifies the amount of work required to compensate for the overheads observed with EPCC. Further, we show that CLOMP also captures limitations for OpenMP parallelization on NUMA systems.
Date: February 11, 2008
Creator: Bronevetsky, G; Gyllenhaal, J & de Supinski, B
Object Type: Article
System: The UNT Digital Library
The Soils and Groundwater – EM-20 S&T Roadmap Quality Assurance Project Plan (open access)

The Soils and Groundwater – EM-20 S&T Roadmap Quality Assurance Project Plan

The Soils and Groundwater – EM-20 Science and Technology Roadmap Project is a U.S. Department of Energy, Office of Environmental Management-funded initiative designed to develop new methods, strategies and technology for characterizing, modeling, remediating, and monitoring soils and groundwater contaminated with metals, radionuclides, and chlorinated organics. This Quality Assurance Project Plan provides the quality assurance requirements and processes that will be followed by EM-20 Roadmap Project staff.
Date: February 11, 2008
Creator: Fix, N. J.
Object Type: Report
System: The UNT Digital Library
Demonstartion of density dependence of x-ray flux in a laser-driven hohlraum (open access)

Demonstartion of density dependence of x-ray flux in a laser-driven hohlraum

Experiments have been conducted using laser-driven cylindrical hohlraums whose walls are machined from Ta{sub 2}O{sub 5} foams of 100 mg/cc and 4 g/cc densities. Measurements of the radiation temperature demonstrate that the lower density walls produce higher radiation temperatures than the high density walls. This is the first experimental demonstration of the prediction that this would occur [M. D. Rosen and J. H. Hammer, Phys. Rev. E 72, 056403 (2005)]. For high density walls, the radiation front propagates subsonically, and part of the absorbed energy is wasted by the flow kinetic energy. For the lower wall density, the front velocity is supersonic and can devote almost all of the absorbed energy to heating the wall.
Date: February 11, 2008
Creator: Young, P E; Rosen, M D; Hammer, J H; Hsing, W S; Glendinning, S G; Turner, R E et al.
Object Type: Article
System: The UNT Digital Library