000 00261nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aRay, Anjana
245 0 _aLearn And Teach Chemistry
260 _aDelhi
_bAuthorspress
_c2006
300 _a204p.
942 _cBK
999 _c13699
_d13699