NTIS subject category descriptions
By: NTIS Online
Contributors: United States. National Technical Information Service
Publisher: U.S. Dept. of Commerce, National Technical Information Service
Published: 1989
Place of publication: Springfield, VA
Language: eng
Number of pages: 36
Subjects: Information storage and retrieval systems -- Technology; Information storage and retrieval systems -- Science; Online bibliographic searching -- United States; Subject headings
Other titles: NTIS online
Notes: Cover title

At head of title: NTIS online

Shipping list no.: 89-603-P

"9/89"--P. [4] of cover

"PR-832"--P. [4] of cover

Includes bibliographical references (p. 31-34)