Information retrieval
Van Rijsbergen, C. J.
Information retrieval C. J. van Rijsbergen. - 2d ed. - London Boston Butterworths 1979. - ix, 208 p. ill. 23 cm.
Includes index.
Bibliography: p [192]-204.
0408709294 £11.95
78040725
GB79
Information storage and retrieval systems
Z699 / .V35 1979
029.7
Information retrieval C. J. van Rijsbergen. - 2d ed. - London Boston Butterworths 1979. - ix, 208 p. ill. 23 cm.
Includes index.
Bibliography: p [192]-204.
0408709294 £11.95
78040725
GB79
Information storage and retrieval systems
Z699 / .V35 1979
029.7