000 00336nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a620.2 tya
100 _aTyagi, Hemant
245 0 _aElementary Engineering Chemistry
260 _aNEW DELHI
260 _bCROSS WORLD
260 _c2003
300 _a524
650 _aChemistry
999 _c117965
_d117965