Windelberg, Jens, Stefanie Brunner, and Kristin Ilse. “Online Dialog on Town Planning: The North-South Divide: Common Features and Differences Identified After an Online Course on ‘Basics of Urban Development and Town Planning (BUTTOP)’”. Raumforschung und Raumordnung | Spatial Research and Planning 62, no. 1 (January 31, 2004): 50–57. Accessed May 6, 2024. https://rur.oekom.de/index.php/rur/article/view/1558.