-, .-. Additional notes // Uwagi dodatkowe. Geotourism/Geoturystyka, [S. l.], n. 44-45, 2020. DOI: 10.7494/geotour.2016.44-45.%p. Disponível em: https://journals.agh.edu.pl/geotour/article/view/2583. Acesso em: 22 jul. 2024.