Maier, A. 2000. Sustainable, regional, developed? «Sustainability» as a model for rural regions the example of Pyhrn-Eisenwurzen, Austria. Raumforschung und Raumordnung | Spatial Research and Planning. 58, 2-3 (Mar. 2000), 150–160. DOI:https://doi.org/10.1007/BF03185186.