BÄTZING, Werner. The Alps: in the web of European spatial planning policy: Comments on the ESDP draft against the backdrop of on-going structural changes in the Alp Region. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 57, n. 1, p. 3–13, 1999. DOI: 10.1007/BF03183772. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1058. Acesso em: 15 aug. 2026.