Kern, Kristine, and Wolfgang Haupt. “From Real-World Labs to Urban Experiments: German and International Debates ”. Raumforschung und Raumordnung | Spatial Research and Planning 79, no. 4 (August 31, 2021): 322–335. Accessed April 27, 2024. https://rur.oekom.de/index.php/rur/article/view/48.