A computer-based library reference system
By: by Mary E. Graziani and Olaf Kays.
Contributors: Kays, Olaf.; Geological Survey (U.S.)
Series: PB86-248259; Open file report (Geological Survey (U.S.)) -- 86-003
Publisher: U.S. Dept. of Commerce, National Technical Information Service
Published: 1986
Place of publication: Springfield, Va
Language: eng
Format: Microform
Number of pages: 54
Subjects: Reference services (Libraries) -- Automation.
Notes: Microreproduction of original issued: Reston, Va. : United States Dept. of the Interior, U.S. Geological Survey, 1986.