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”. Raumforschung und Raumordnung | Spatial Research and Planning 80, no. 6 (December 30, 2022): 757–773. Accessed May 2, 2024. https://rur.oekom.de/index.php/rur/article/view/189.