A reference guide to the NTIS bibliographic data file
Subtitle: an NTIS data base reference aid
Publisher: Dept. of Commerce, National Technical Information Service
Published: 1978
Place of publication: [Springfield, Va.]
Language: eng
Number of pages: 22
Subjects: United States; Information storage and retrieval systems; United States. National Technical Information Service; Handbooks, manuals; Data libraries
Notes: "NTIS-PR 253."

May 1978.