Knopf, B. Potsdam Institute for Climate Impact Research and Cooperation Partners;
http://www.energypost.eu/compare-apples-climate-policies-modelgate-brussels/ (Verlagsversion)
Knopf, B. (2014): You cannot compare apples with climate policies: why there is no Modelgate in Brussels, (You cannot compare apples with climate policies: why there is no Modelgate in Brussels)(Energy Post EU Policy), Amsterdam : Energy Post.