Hein, Ekkehard, Yasemin Utku, and Klaus Einig. “Rezensionen”. Raumforschung und Raumordnung | Spatial Research and Planning 64, no. 1 (January 31, 2006): 56–63. Accessed June 17, 2024. https://rur.oekom.de/index.php/rur/article/view/1418.