Houghton, B. 1935- Evaluation of a programme for teaching on-line information retrieval techniques / B. Houghton, G. Rowland and J. Convey - London : British Library, 1978 - 91 p. ; 30 cm. - British Library research & development reports, no. 5418 ISSN 0308-2385 ; . Includes index ISBN: 0905984145 Subjects--Topical Terms: Techniques--Library Dewey Class. No.: 029.7