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020 _a8122417558
040 _aUPES LIBRARY
_bEnglish
082 _a628
_bKAU
100 _aKaushik, Anubha
_917380
245 _aPerspectives in environmental studies
250 _a2nd ed.
260 _aNew Delhi:
_bNew Age International,
_c2006
300 _a280p.
650 _aEnvironmental engineering
_942307
700 _aKaushik, C P
_917381
942 _cBK