000 00263nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aBalakrishnan, S. & Paliwal, P. K.
245 _aPrinciples of Information Retrieval
260 _aNew Delhi
_bAnmol Pub.
942 _cBK
999 _c746
_d746