000 00323nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a515.14 GUP
100 _aGupta, P.P
245 0 _aEngineering Mathematics
260 _aMEERUT
260 _bKRISHANA
260 _c2001
300 _a9.48
650 _aMathematics
999 _c139070
_d139070