000			00346nam a2200121Ia 4500
008			190711s9999 xx 000 0 und d
082			_a025.04 C495
100			_aCHATERJEE,A
245		0	_aINFORMATION RETRIEVAL MODELS AND TECHNIQUES, FIFTEENTH IASLIC NATIONAL SEMINAR P
260			_aCALCUTTA _bIASLIC _c1992
300			_a27X22
942			_cBK _2DDC
999			_c23085 _d23085