Greiving, Stefan, and Michael Höweler. “The Virtual Industrial Real Estate Pool — A Quantity Control Model for Regional Planning”. Raumforschung und Raumordnung | Spatial Research and Planning 66, no. 4 (July 31, 2008): 305–317. Accessed September 25, 2026. https://rur.oekom.de/index.php/rur/article/view/1237.