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CRPL Exponential Reference Atmosphere
From Introduction: "In this monograph, the background of the exponential reference atmosphere will be outlined and a set of radio ray tracings presented. These ray may be used for the solution of many problems involving refraction by means of the exponential reference atmosphere."
Date:
October 29, 1959
Creator:
Bean, B. R. & Thayer, G. D.
System:
The UNT Digital Library
Preservation of Documents by Lamination
From Abstract: "Composition and performance specifications for a cellulose acetate laminating film suitable for a cellulose acetate laminating film suitable for archival use are presented. The properties of polyethylene and polyethylene terephthalate films of interest in connection with their possible use for the protection of documents are discussed."
Date:
October 30, 1959
Creator:
Wilson, William K. & Forshee, B. W.
System:
The UNT Digital Library