000 00269nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a515 gup
100 _aGUPTA (A.K.)
245 _aEngineering Mathematics
260 _aSCO
_bJAICO
365 _cRS
999 _c173766
_d173766