Greiving, S. et al. 2004. A revolving system for commercial sites. Intermunicipal co-operation as an approach to a budget-based strategy for dealing with commercial/industrial land resources: An example from the märkischer kreis. Raumforschung und Raumordnung | Spatial Research and Planning. 62, 4-5 (Jul. 2004), 249–259. DOI:https://doi.org/10.1007/BF03184517.