000			00437 a2200157 4500
020			_a0408709294
082			_a029.7 _bVAI
100			_aVan Rijsbergen, C. J. _929218
245			_aInformation retrieval _c C. J. van Rijsbergen
250			_a2nd
260			_aLondon: _bButterworth, _c1979.
300			_aix,208p.
500			_aIncludes bibliography and index
650			_aInformation storage and retrieval system _9213805
942			_cBK
999			_c65632 _d65632