614.77
H334E
           Hortog, H den
               Economic aspect of pollution abatement the case of water pollution by degrabadle organic matter \ H den Hortog - [S.l.] : Central Planning Bureau, 1973.
               Vp. - Translation of central planning Bureau monograph; no. 16Occasional paper/central planning bureau .
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                Subjects: Pollution-Economic aspects; Water-Pollution; Pollution.