Jakob Schwabedal, Felix, and Felix Jakob Schwabedal. “The Spatial Planning Instrument Eigenentwicklung A Methodical Comparison of the Stipulations in the Regional Development Plans in Lower Saxony (Germany)”. Raumforschung und Raumordnung | Spatial Research and Planning 69, no. 1 (February 28, 2011): 17–28. Accessed September 15, 2026. https://rur.oekom.de/index.php/rur/article/view/697.