STRAUSS, Katja. City Networks — Expectations and reality from an ecological perspective. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 57, n. 4, p. 284–290, 1999. DOI: 10.1007/BF03183786. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1091. Acesso em: 15 aug. 2026.