000 00247nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aBHARGAVA (AP)
245 0 _aPRACTICAL CHEMISTRY
250 _a4
260 _bRBD BOOKS
942 _2ddc
_cSCIENCE
999 _c20410
_d20410