Jakubowski, Peter, Karl-Hermann Hübler, and Ortwin Peithmann. “Rezensionen”. Raumforschung und Raumordnung | Spatial Research and Planning 58, no. 6 (November 30, 2000): 521–524. Accessed May 15, 2025. https://rur.oekom.de/index.php/rur/article/view/1193.