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040 _cSGVU Library
041 _cEng.
100 _aDave.D
_927773
245 _aTextbook Of Environmental Studies
_cBy D. Dave
260 _aNew Delhi
_bCengage learning
_c2008
520 _aEngineering
650 _aMechanical
_935
942 _cBOOKS
_2ddc