Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Ravera AND O.)

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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
Ecological assessment of environmental degradation, pollution, and recovery : lectures of a course held at the Joint Research Centre, Ispra (Italy), 12-16 October 1987 / 1989

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