Iwer, Nicole, and Markus Gerber. “Where to Locate New Industrial Sites in Case of Land Shortage? A Nationwide Analysis of Regional Development Plans With Particular Regard to the Conception of ‘Regionale Kooperationsstandorte’ in the Ruhr Metropolis”. 2022. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 80, no. 6, Dec. 2022, pp. 757-73, https://doi.org/10.14512/rur.189.