GAREIS, Philipp; MILBERT, Antonia. Functional classification of small towns in Germany. A methodological comparison. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 78, n. 6, p. 537–557, 2020. DOI: 10.2478/rara-2020-0032. Disponível em: https://rur.oekom.de/index.php/rur/article/view/238.. Acesso em: 4 may. 2024.