000 00247nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aGUPTA (AK)
245 0 _aENGINEERING MATHEMATICS
250 _a1992
260 _bMACMILLAN
942 _2ddc
_cBTECH
999 _c3037
_d3037