An investigation into the use of operational data-bases for research into information retrieval
By: by Cyril Cleverdon.
Series: British Library research & development reports ;; report no. 5696.
Published: 1982
Language: eng
Format: Microform
Number of pages: 44
Notes: Microfiche. [Boston Spa, Wetherby, West Yorkshire : British Library Lending Division], 1982. 1 microfiche : negative ; 11 x 15 cm.
"BLRDR 5696"--frame 1 of microfiche.