Hubrich, Hans-Peter, and Stephan Kempe. “The Permian Gypsum Karst Belt Along the Southern Margin of the Harz-Mountains (Germany), Tectonic Control of Regional Geology and Karst Hydrogeology”. Acta Carsologica 49, no. 1 (October 6, 2020). Accessed March 29, 2024. https://ojs.zrc-sazu.si/carsologica/article/view/8965.