Affiliation: | 1. Institute of Environmental Systems Research, University of Osnabrück Barbarastr. 12, 49069 Osnabrück, Germany;1. Ecologic Institute Berlin, Pfalzburger Str. 43/44, 10717 Berlin, Germany;2. GTZ – German Technical Cooperation, Potsdamer Platz 10, 10758 Berlin, Germany |