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020 _a0074624652
_c180
040 _aMAIN
041 _aEnglish
082 _a540
_bCHE
245 _aChemistry
250 _a2nd ed.
260 _aNew Delhi
_bTata McGraw-Hill
_c1997
300 _a878p.
650 _aChemistry
942 _cBK
999 _c24547
_d24547