Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Fresh water ecology Congresses)


 
 
 
Select Item Title Year Published
Biological aspects of freshwater pollution : proceedings of the course held at the Joint Research Centre of the Commission of the European Communities. Ispra, Italy, 5-9 June 1978 / 1979
Breakdown and restoration of ecosystems {proceedings of the Conference on the Rehabilitation of Severely Damaged Land and Freshwater Ecosystems in Temperate Zones, held in Reykjavik, Iceland, July 4-11, 1976 / 1978
First International Symposium on Groundwater Ecology : {papers} 1976

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