000 00285nam a2200133Ia 4500
008 230512s9999 xx 000 0 und d
082 _aChemistry
100 _alawrence,D
245 0 _asatrangi peeng
260 _c2000
_aDelhi
_bR.C
300 _a93
650 _aPunjabi
942 _cBK
999 _c6499
_d6499