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008 250805s2011||||xx |||||||||||||| ||und||
020 _a9788173712500
082 _a540 RAO
100 _aRao C N R
245 0 _aUnderstanding Chemistry
260 _bUniversities Press
_aHyderabad
_c2011
300 _a298
650 _a rao c n r
650 _achemistry
690 _aChemistry
942 _cBK
999 _c90560
_d90560