000 00398nam a2200181Ia 4500
008 240301s9999 xx 000 0 und d
020 _a9788121938907
082 _a510
082 _bDAS
100 _aDass, H. K.
245 0 _aHigher engineering mathematics
260 _aNew Delhi
260 _bS. Chand
260 _c2022
300 _axix, 1714
700 _aVerma, R.
942 _cBK
999 _c185738
_d185738