000 00271nam a2200121Ia 4500
008 211209s1978 xx 000 0 und d
041 _aeng
082 _a669.94 N78 SIN
100 _aSINGH P P
245 _aPHYSICO CHEMICAL PRINCIPLES
260 _c1978
300 _a223
999 _c15601
_d15601