000 00269nam a2200109Ia 45e0
008 181001s1997 xx 000 0 und d
100 _aKhanna J.K.
245 0 _aChemistry
260 _aMeerut
_bRajhans com.
_c1997
300 _a308
942 _2ddc
_cBK
999 _c4161
_d4161