000 00267nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aMalhotra, Vinayak
245 0 _aMethods Of Teaching Chemistry
260 _aDelhi
_bCrescent
_c2008
300 _a269p.
942 _cBK
999 _c13208
_d13208