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020 _a8170993741
_c475
040 _aMAIN
041 _aEnglish
082 _a577.03
_bSWA
100 _aSwarup, R., Mishra, S.N. and Jauhari, V.P.
245 _aEncyclopaedia of ecology , environment and pollution control
_bdimensions of environmental pollutions
260 _aNew Delhi
_bMittal publications
_c1992
300 _a363p.
_bV.14
650 _aEcology & environment-encyclopaedia
650 _aEncyclopaedia
942 _cBK
999 _c27942
_d27942