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020 _a9788121929370
040 _aUPES LIBRARY
_bEnglish
082 _a628
_bMIS
100 _aMishra, D D
_95168
245 _aFundamental concepts in environmental studies
260 _aNew Delhi
_bS Chand
_c2010
300 _a248p.
650 _aEnvironmental engineering
_9768531
942 _cBK
999 _c5814
_d5814