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082			_a540 _bARI/C
100			_aARIHANT
245			_aNCERT CHEMISTRY-XII
246			_aNCERT CHEMISTRY-XII _bNCERT CHEMISTRY-XII
260			_aNEWDELHI _bARIHANTH
300			_a462
650			_aCHEMISTRY REFERENCE
942			_cBK
999			_c9054 _d9054