A. Chrobak, A. Ciurej, A. Wolska, and S. Kowalik, “Geotouristic values of the Chochołowska Valley (Tatra Mountains, Poland) and their accessibility for people with physical disabilities”, geotour, no. 1–2 (52–53), p. 3, Mar. 2020, doi: 10.7494/geotour.2018.52-53.3.