TERFRÜCHTE, Thomas; GREIVING, Stefan; FLEX, Florian. Empirical foundation of central-place-concepts – Recommendations for an ideal type approach. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 75, n. 5, p. 471–485, 2017. DOI: 10.1007/s13147-017-0505-0. Disponível em: https://rur.oekom.de/index.php/rur/article/view/431.. Acesso em: 6 may. 2024.