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020 _a8174884378
_c2500
040 _aMAIN
041 _aEnglish
082 _a333.703
_bCHH
100 _aChhatwal, G. R.
245 _aEncyclopaedia of environmental analysis
260 _aNew Delhi
_bAnmol
_c1997
300 _a702p.
_bV.2
650 _aEncyclopaedia
650 _aEnvironment-encyclopaedia
942 _cBK
999 _c27982
_d27982