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020 _a9788174091033
040 _aUPES LIBRARY
_bEnglish
082 _a540
_bAGG
100 _aAggarwal, O. P.
_949423
245 _aEngineering chemistry
250 _a3rd ed.
260 _aNew Delhi:
_bKhanna,
_c2012
300 _axii, 1030p.
650 _aChemistry
_949430
700 _aAggarwal, Avinash
_949425
942 _cBK