Adam, Brigitte, Kathrin Driessen, and Angelika Münter. “How Cities May Defy Their Surrounding Area: Research Results on the Reasons for Migration, Location Decisions and Mobility Patterns”. Raumforschung und Raumordnung | Spatial Research and Planning 66, no. 5 (September 30, 2008): 398–414. Accessed May 7, 2024. https://rur.oekom.de/index.php/rur/article/view/1229.