Directory of on-line bibliographic services
By: prepared by Capital Systems Group, inc.
Contributors: Capital Systems Group, inc.
Publisher: Capital Systems Group
Published: 1978
Place of publication: Rockville, MD
Language: eng
Number of pages: 32
Subjects: Bibliographical services -- Directories.; Machine-readable bibliographic data -- Directories.
Genres: Directories.
Other titles: On-line bibliographic services
Notes: A list of commercially available data bases.