000 00336nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a8172732902
082 _a540.07
_bRAY
100 _aRay, Anjana.
245 0 _aLearn and teach chemistry
260 _aDelhi :
_bAuthorspress ,
_c2006.
300 _a203 :
650 _aChemistry
999 _c176835
_d176835