GREIVING, Stefan; HARTZ, Andrea; HURTH, Florian; SAAD, Sascha. Risk Prevention and Spatial Planning—the Example of the District of Cologne. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 74, n. 2, p. 83–99, 2016. DOI: 10.1007/s13147-016-0387-6. Disponível em: https://rur.oekom.de/index.php/rur/article/view/542. Acesso em: 9 sep. 2026.