000 00216nam a2200097Ia 4500
100 _aGREWAL, B.S.
245 _aHIGHER ENGINEERING MATHEMATICS
260 _aDELHI
_bKHANNA PUB.
_c1978
300 _a963
942 _2ddc
_cBB
999 _c72145
_d72145