TY - BOOK AU - Oddy, R. N. AU - Robertson, S. E. AU - van Rijisbergen C. J. AU - Williams, Peter L. TI - Information retrieval research SN - 0408107758 AV - Z 699 .I5 PY - 1981/// CY - London PB - Butterworths KW - Information storage and retrieval systems KW - Congresses N1 - Includes bibliographical reference and index ER -