Hansen, Wenke; R. Andreas Kraemer 2000: Development of the Urban waste water treatment Directive (91/271/EEC). Case Study for the Research Project: TEP: Technology and Environmental Policy. Ecologic - Centre for International and European Environmental Research, Berlin.
Eichstädt, Tilman; Walter Kahlenborn 2000: Technology and Environmental Policy. Packaging Waste: German Case Study. Final report for TEP project. European Commission Framework Programme IV (1994 - 1998). Environment and Climate Programme of DG Xii. Ecologic - Centre for International and European Environmental Research, Berlin.
Hansen, Wenke; Walter Kahlenborn; R. Andreas Kraemer 2000: National Case Study on Policy Networks and the Implementation of the Urban Waste Water Treatment Directive 91/271/EEC in Germany. Technology and Environmental Policy. European Commission Framework Programme IV (1994-1998). Environment and Climate Programme of DG XII. Ecologic - Centre for International and European Environmental Research, Berlin.