000 00277nam a2200109 4500
020 _a0471933767
082 _a025.04 WES/COM;1
100 _aWessel, A E
245 _aComputer aided information retrieval
_cby Wessel, A E
260 _aLondon
_bMelville pub.
_c1975
942 _cBK
999 _c379515
_d379515