1. Sublethal effects of toxic chemicals on aquatic animals, 81–91;Poels,1975
2. Aguatic pollutants: Transformation and biological effects, 1–12;van Esch,1977
3. Organic micropollution in Rhine and Meuse;Leer,1976
4. Organic chemicals measured during 1978 in the river Rhine in The Netherlands;Morra,1979
5. Aguatic Pollutants: Transformation and biological effects;Kraybill,1977