SYMPOSIUM on biological aspects of freshwater pollution (Italy: 1978)
Biological aspects of freshwater pollution
/organized by Commission of the European Communities, proceedings of the course held at the joint research center of the Commission of the European Communities, Ispra, Italy, 5-9 June 1978 , edited by O.Ravera,
- taOxford Pergamon Press 1979
- ix, 214 p.