Żemła, Michał, and Angelika Bołoz. “Motives and Behavior of Visitors Choosing to Ski With Artificial Lighting”. Studies of the Industrial Geography Commission of the Polish Geographical Society 36, no. 3 (September 28, 2022): 109–121. Accessed November 21, 2024. https://prace-kgp.uken.krakow.pl/article/view/8805.