000 00253nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aSHARMA B.L./SAXENA
245 _aTEACHING OF CHEMISTRY
260 _bR.LAL PUB.
_c2009
300 _a278
942 _cBK
999 _c31761
_d31761