KUNZMANN, Klaus R. Kilper, Heiderose (ed.) (2009): German Annual of Spatial Research and Policy 2009. New Disparities in Spatial Development in Europe. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 68, n. 5, p. 437–439, 2010. DOI: 10.1007/s13147-010-0046-2. Disponível em: https://rur.oekom.de/index.php/rur/article/view/909. Acesso em: 15 aug. 2026.