VOLGMANN, Kati. Metropolis – size, function and symbolism. A quantitative text analysis of German print media for Berlin and Hamburg. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 78, n. 3, p. 213–231, 2020. DOI: 10.2478/rara-2019-0060. Disponível em: https://rur.oekom.de/index.php/rur/article/view/265. Acesso em: 15 aug. 2026.