The density story
By: by P.F. Calkins. Analysis by T.H. Baker [and] E.J. Joiner. Programming by J.R. Crawford
Publisher: Lockheed-Georgia Co.
Published: 1970
Place of publication: Marietta, Ga
Language: eng
Number of pages: 81
Notes: "CMRS 163."

"Survey planned and directed by the Commercial Marketing Research Dept. of the Lockheed-Georgia Co. (Gelac), Marietta, Ga."

Bibliography: p. 56.