TOPP, Hartmut. More mobility, less traffic in case of inner-city development before expansion outwards. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 61, n. 4, p. 292–296, 2003. DOI: 10.1007/BF03182964. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1591.. Acesso em: 17 jan. 2025.