000 00296nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aGrewal, B.S.
245 0 _aHigher Engineering Mahematics
250 _a44
260 _bKhanna Publisher
260 _c2017
300 _a1391
942 _cBK
999 _c18141
_d18141