NTIS subject classification (past and present)
Publisher: National Technical Information Service, U.S. Department of Commerce
Published: 1982
Place of publication: [Springfield, VA]
Language: eng
Number of pages: 92
Subjects: Subject headings; Classification of sciences
Other titles: N.T.I.S. subject classification (past and present)
Notes: Cover title.

"An NTIS data base reference aid."

"Supersedes NTIS/SR-77/02 and NTIS/SR-75/01"--P. ii.

"January 1978."

Includes index.

PB-270 575.