Overbeck, G., Sommerfeldt, P., Köhler, S. ., & Birkmann, J. . (2009). Climate change and regional planning: Results of a survey by the ARL’s working group on climate change and spatial planning. Raumforschung Und Raumordnung | Spatial Research and Planning, 67(2), 193–203. https://doi.org/10.1007/BF03185706