Wiegand, Christoph, and Clemens Geitner. “Investigations into the Distribution and Diversity of Shallow Eroded Areas on Steep Grasslands in Tyrol (Austria)”. ERDKUNDE 67, no. 4 (December 31, 2013): 325–343. Accessed May 26, 2024. https://www.erdkunde.uni-bonn.de/article/view/2735.