000 00300nam a22001217a 4500
999 _c1662
_d1662
020 _a0195692322
082 _a006.301
100 _aTanveer Siddiqui & U S Tiwary
245 _aNatural language processing and information retrieval
260 _aNew Delhi
_bOxford
_c2008
300 _a406
942 _cBK