GROWE, Anna; TERFRÜCHTE, Thomas. Significant cities beyond the metropolises? Regiopolises and their role in the German urban system. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 81, n. 2, p. 154–169, 2023. DOI: 10.14512/rur.756. Disponível em: https://rur.oekom.de/index.php/rur/article/view/756.. Acesso em: 30 apr. 2024.