VAN LOEVEZIJN, Gerard. Frasnian (Upper Devonian) lithostratigraphy of the Bernesga Valley (Cantabrian Mountains, NW Spain). Geologos, [S. l.], v. 31, n. 2, p. 99–117, 2025. DOI: 10.14746/logos.2025.31.2.09. Disponível em: https://pressto.amu.edu.pl/index.php/logos/article/view/49440. Acesso em: 20 may. 2026.