Pütz, Marco, and Hubert Job. “Governance and Regional Development in Protected Areas of Switzerland and Austria”. Raumforschung und Raumordnung | Spatial Research and Planning 74, no. 6 (December 31, 2016): 569–583. Accessed May 23, 2024. https://rur.oekom.de/index.php/rur/article/view/499.