-, -. Additional notes // Uwagi dodatkowe. Geotourism/Geoturystyka, [S. l.], n. 46-47, 2017. DOI: 10.7494/geotour.2016.46-47.%p. Disponível em: https://journals.agh.edu.pl/geotour/article/view/2586. Acesso em: 5 dec. 2025.