000 00279nam a2200121Ia 4500
100 _aSingh,P.P. & others
942 _cBK
245 _aModern chemistry, XII
260 _aBombay
_bHimalaya publishing House
_c1978
082 _a540
_bSin
300 _a(4),412
546 _aEnglish
999 _c333970
_d333970
041 _aeng