-, .-. Additional notes // Uwagi dodatkowe. Geotourism/Geoturystyka, [S. l.], n. 40-41, 2018. DOI: 10.7494/geotour.2015.40-41.%p. Disponível em: https://journals.agh.edu.pl/geotour/article/view/2272. Acesso em: 4 may. 2024.