ALECKE, Björn; UNTIEDT, Gerhard; GORNIG, Martin; JAEDICKE, Wolfgang; KOZIOL, Matthias; WALTHER, Jörg. Investment and promotion requirements of urban development 2007 until 2013 in Germany. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 66, n. 3, p. 282–289, 2008. DOI: 10.1007/BF03183163. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1257. Acesso em: 29 sep. 2026.