Diller, C., & Thaler, T. (2017). To the Gap Between Theory-based Planning Research and Planning Practice. An Examination of Large Parts of the German-language Output in Planning Science Since 2003. Raumforschung Und Raumordnung | Spatial Research and Planning, 75(1), 57–69. https://doi.org/10.1007/s13147-016-0431-6