Interaction in information systems: A review of research from document retrieval to knowledge-based systems: N. J. Belkin; A. Vickery. (Library and Information Research Report 35) British Library, London. Distributed by BLLD, Boston Spa, and by Longwood, Dover, NH (1985). viii + 250 pp., £20, ISBN 0-7123-3050-X, ISSN 0263-1709