Gans, Paul, Ingrid Hemmer, Michael Hemmer, and Kim Miener. “The Perception of Geography Among the German Population. Findings of a Representative Survey”. ERDKUNDE 72, no. 1 (March 31, 2018): 23–39. Accessed December 4, 2024. https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2824.