000 00328nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a620.54 cha
100 _aChopra, Harish Kumar
245 0 _aEngineering Chemistry
260 _aNEW DELHI
260 _bNAROSA
260 _c2007
300 _a610
650 _aChemistry
999 _c118160
_d118160