HATZFELD, Ulrich; JAKUBOWSKI, Peter. National urban development policy in Germany — Between trial and vision. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 66, n. 2, p. 130–138, 2008. DOI: 10.1007/BF03183123. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1263.. Acesso em: 9 feb. 2025.