000 00262nam a2200109Ia 4500
008 230512s9999 xx 000 0 und d
100 _aDhawan, S.N.
245 0 _aNew Course Chemistry XI V-1,2
260 _aJalandhar
_bPradeep
650 _aChemistry
942 _cBK
999 _c8271
_d8271