KROBICKI, Michał; GOLONKA, Jan. Geological history of the Pieniny Klippen Belt and Middle Jurassic black shales as one of the oldest deposits of this region – stratigraphical position and palaeoenvironmental significance. Geotourism/Geoturystyka, [S. l.], n. 13, p. 3, 2018. DOI: 10.7494/geotour.2008.13.3. Disponível em: https://journals.agh.edu.pl/geotour/article/view/686. Acesso em: 5 dec. 2025.