Bullinger, Dieter. “Shrinking Towns and Unoccupied Housing: A New Phenomenon and the Future Trend — Not Only in Eastern Germany”. Raumforschung und Raumordnung | Spatial Research and Planning 60, no. 3-4 (May 31, 2002): 264–271. Accessed December 2, 2024. https://rur.oekom.de/index.php/rur/article/view/1606.