WESTPHAL, Christiane. Density figures for urban restructuring? Adequate densities to safeguard the provision of public utilities in shrinking cities. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 67, n. 1, p. 7–20, 2009. DOI: 10.1007/BF03183139. Disponível em: https://rur.oekom.de/index.php/rur/article/view/942. Acesso em: 15 aug. 2026.