Heinen, Deborah, and Jörg Knieling. “Spatial Policies for Growth Management in Metropolitan Regions. A Comparison of U.S. American, Canadian and German Approaches”. Raumforschung und Raumordnung | Spatial Research and Planning 80, no. 6 (November 15, 2022). Accessed August 25, 2026. https://rur.oekom.de/index.php/rur/article/view/167.