000 00336nam a2200157Ia 4500
008 230913s9999 xx 000 0 und d
082 _a620.2 SHA
100 _aSharma, B.K
245 0 _aEngineering Chemistry
250 _aII
260 _aMEERUT
260 _bKRISHANA
260 _c1999
300 _a148
650 _aChemistry
999 _c117583
_d117583