Dzięgiel, Maciej. “Geotouristic Attractiveness of the Show Caves of the Kraków-Częstochowa Upland Area”. Geotourism/Geoturystyka, no. 3-4(62-63) (January 31, 2023): 19–46. Accessed December 4, 2024. https://journals.agh.edu.pl/geotour/article/view/5136.