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101 0 $aeng
102   $aUS
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200 1 $aEconomic aspects of treatment and disposal of certain industrial effluents$fWater Poll. and Econ.
210   $aNew York$cUnited Nations$d1967
215   $a3 v.$d28 cm
300   $aBibl. Ing. Sanitaria
307   $a1.: 134 p. ; 2.: 132 p. ; 3.: 194 p.
610 0 $aCaratteristiche delle acque di rifiuto
700  1$aNazioni Unite.$bEconomic Commission for Europe$0494349
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996   $aEconomic aspects of treatment and disposal of certain industrial effluents$9473893
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