000 00393nam a2200157Ia 4500
020 _a9788172452087
040 _cPK-LaCSN
082 _bBON
_aR 500
100 _aBonnet, Bob
245 0 _aScience Fair Projects Chemistry
260 _bGoodwill Publishing House
_aNew Delhi
_c2009
300 _a95
942 _2ddc
_cR
999 _c476582
_d476582