A directory of computerised information retrieval services and data files available at York University Libraries, Toronto, Ontario
By: compiled by Brian B. Wilks.
Contributors: York University (Toronto, Ont.). Libraries.
Edition: 4th ed. --
Publisher: York University Libraries
Published: 1978
Place of publication: [Downsview]
Language: eng
Number of pages: 157
Subjects: Information storage and retrieval systems -- Directories.; Data libraries -- Directories.
Notes: Cover title.

Includes index.