LLP-report wird von Prof.-Dr. Dietwald Gruehn herausgegeb
Gruehn, D.; Stechow, K. & Roth, M. (2011): Development of an urban biotope network as part of the open space concept Metropole Ruhr. LLP-report 024 Roth, M. & Gruehn, D. (2011): Area-wide landscape analysis [...] protection concept (main study). LLP-report 023 Ziegler-Hennings, C.; Gruehn, D.; Hoffmann, A. & Roth, M. (2011): Nature experience opportunities for children and young people in the city - basics. 1st interim …