Authors
Peter Chifflard
peter.chifflard@geo.uni-marburg.de
Department of Geography, Philipps-University Marburg, Deutschhausstr. 10, 35032, Marburg, Germany
Julius Kranl
Department of Geography, Ruhr- University Bochum, Universitätsstr. 150, Building NA, 44780, Bochum, Germany
Georg zur Strassen
Ruhrverband, Kronprinzenstr. 37, 45128, Essen, Germany
Harald Zepp
Department of Geography, Ruhr- University Bochum, Universitätsstr. 150, Building NA, 44780, Bochum, Germany