000 00292pam a2200145 a 4500
020 _c
041 _aeng
082 _bCHA
100 _aChang R .
245 _aChemistry
_hTextual Documents
250 _a1994.
260 _aNew Delhi
_bMcGraw Hill
300 _a994 pg .
930 _a11783
999 _c88686
_d88686