Security of defense contractor telecommunications.
Series: Department of Defense instruction -- no. 5210.74.
Publisher: Dept. of Defense
Published: 1985
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: United States. -- Dept. of Defense -- Handbooks, manuals, etc.; United States. -- Dept. of Defense -- Security measures -- Handbooks, manuals, etc.; Defense contracts -- United States -- Handbooks, manuals, etc.; Telecommunication systems -- United States -- Handbooks, manuals, etc.; Security classification (Government documents) -- United States -- Handbooks, manuals, etc.
Notes: Caption title.

"June 26, 1985."

Bibliography: p. [1] (1st group).