000 00262nam a2200109 4500
020 _a0471469955
082 _a029.7 KEN/INF
100 _aKent, A
245 _aInformation analysis and retrieval
_cby A kent
260 _aLondon
_bWiley Backer
_c1971
942 _cBK
999 _c378327
_d378327