000 00243nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aKAPIL (PN)
245 0 _aOBJECTIVE CHEMISTRY
250 _a2
260 _bS. CHAND
942 _2ddc
_cSCIENCE
999 _c20505
_d20505