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999 _c27300
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040 _cSGVU Library
041 _cEnglish
100 _aBasak, A
_927737
245 _aEnvironmental Studies
_cBy A Basak
260 _aNew Delhi
_bPearson Edu, New Delhi
_c2009
520 _aEngineering
650 _aMechanical
_935
942 _cBOOKS
_2ddc
_03