000 00269nam a2200121Ia 4500
100 _aSingh P P & others
942 _cBK
245 _aModern chemistry std XII
260 _aBombay
_bHimalaya Pub.
_c1991
082 _a540
_bSin
300 _ax,2,348
546 _aEnglish
999 _c336515
_d336515
041 _aeng