Operational analysis of library systems
The impact of machine-readable data bases on library and information services
Mathematical model of time-effective information retrieval system based on the theory of fuzzy sets
The economic evaluation of information storage and retrieval systems
On computing a buy/copy policy using the Pitt-Kraft model
Announcement
Library lit. 6—The best of 1975: (Edited by Bill Katz). Scarecrow Press, Metuchen, N.J., 1976, 339 pp. $11.00.
Information for the community: (Edited by Manfred Kochen and Joseph C. Donahue). American Library Association. Chicago, Illinois. 1976, 282 pp. $10.00.
Personalized data base systems: B. Mittman and L. Borman, Melville Publishing Co., Los Angeles, Calif.: 1975. xiii, 312 pp. $18.95.
Book received