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040 _aUPES LIBRARY
_bEnglish
082 _a660.28
_bBAR
245 _aEnergy conservation act 2001
260 _aNew Delhi:
_bUniversal Law Publishing,
_c2006
650 _aEnvironmental engineering
653 _aEnergy conservation act
942 _cBK
999 _c12499
_d12499