000 00289nam a2200109Ia 4500
008 230130s1995 xx 000 0 und d
041 _aeng
082 _a540
100 _aChatwal, G. R.
_91482540
245 _aHistory of chemistry
260 _aNew Delhi
_bAmol Publications Pvt. Ltd.,
_c1995
999 _c965173
_d965173