Ehrhardt, Denise, et al. “City Regions in Between Housing Issues and Tackling Land Take. Trends, Strategies and Potential Solutions in Core Cities and Their Hinterland”. 2022. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 80, no. 5, Oct. 2022, pp. 522-41, https://doi.org/10.14512/rur.216.