WIEWIÓRKA, J.; CHARKOT, J.; DUDEK, K.; GONERA, M. Historic salt mines in Wieliczka and Bochnia. Geotourism/Geoturystyka, [S. l.], n. 18, p. 61, DOI: 10.7494/geotour.2009.18.61. Disponível em: https://journals.agh.edu.pl/geotour/article/view/970. Acesso em: 7 may. 2024.