European Commission. (1997). Evaluation of directive 76/464/EEC regarding list II substances on the quality of the most important surface waters in the community. Luxembourg: Office for Official Publications of the European Communities.

European Commission. Evaluation of Directive 76/464/EEC Regarding List II Substances On the Quality of the Most Important Surface Waters in the Community. Luxembourg: Office for Official Publications of the European Communities, 1997.

European Commission. Evaluation of Directive 76/464/EEC Regarding List II Substances On the Quality of the Most Important Surface Waters in the Community. Luxembourg: Office for Official Publications of the European Communities, 1997.