The hazards to health and ecological effects of pollution of the North Sea: Report on a Working Group convened by the Regional Office for Europe of the World Health Organization, Bilthoven 6-8 December 1972
(1973). The hazards to health and ecological effects of pollution of the North Sea: Report on a Working Group convened by the Regional Office for Europe of the World Health Organization, Bilthoven 6-8 December 1972. Regional Office for Europe, World Health Organization: Copenhagen. 14 pp.
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