Westlake, Duncan R. Geac a guide for librarians and systems managers / by Westlake, Duncan R. ; Clarke, John E. - Aldershot Gower Publishing Company Limited 1987 - xvi, 307p. ill. 22 cm. ISBN: 0566052156 Subjects--Topical Terms: Librries-Automation Dewey Class. No.: 025.00285 / WES