BOGUMIL, Jörg; GROHS, Stephan; REITER, Renate. Options and constraints for a national urban policy — A political science perspective. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 66, n. 2, p. 118–129, 2008. DOI: 10.1007/BF03183122. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1262. Acesso em: 15 aug. 2026.