User needs in documentation and information, 1977-May 1981
Subtitle: citations from the NTIS data base.
Contributors: United States. National Technical Information Service.
Series: PB81-806499
Publisher: National Technical Information Service
Published: 1981
Place of publication: Springfield, Va
Language: eng
Format: Microform
Number of pages: 285
Subjects: Information services -- Bibliography.; Documentation -- Bibliography.
Notes: "Supersedes PB80-807910, and NTIS/PS-79/0407".