THOMAS, Michael. A geomorphological approach to geodiversity – its applications to geoconservation and geotourism. Quaestiones Geographicae, [S. l.], v. 31, n. 1, p. 81–89, 2012. DOI: 10.2478/v10117-012-0005-9. Disponível em: https://pressto.amu.edu.pl/index.php/qg/article/view/v10117-012-0005-9. Acesso em: 3 may. 2024.