000 00271nam a22001337a 4500
999 _c7046
_d7046
003 OSt
020 _a9788120336162
100 _aSastry, S S
245 _aEngineering Mathematics Vol.1
250 _a5th
260 _aNew Delhi
_bPHI
300 _axi,676
942 _2ddc
_cBK