Montgomery, K. Leon Document retrieval systems : factors affecting search time / K. Leon Montgomery - New York : M. Dekker, 1975 - 144 p. : ill. ; 23 cm. - Books in library and information science ; v. 14 . Bibliography : p. 141-142 ISBN: 0824761952 LCCN: 75-18692 Subjects--Topical Terms: Information storage and retrieval systems