000 00295nam a2200133Ia 4500
008 210101s9999 xx 000 0 eng d
100 _aSingh,
245 0 _aIntermediate Science
260 _aPatna
_bBharat Bhawan
300 _a673
650 _aChemistry
700 _aSinha
942 _2ddc
_cBK
999 _c2131
_d2131