MARTÍNEZ-GARCÍA, E.; WAGNER, R. Marine and continental deposits of Stephanian age in eastern Asturias (N. W. Spain). Trabajos de Geología, [S. l.], v. 3, n. 3, p. 285–307, 1971. DOI: 10.17811/tdg.3.1971.285-307. Disponível em: https://reunido.uniovi.es/index.php/TDG/article/view/2679. Acesso em: 5 may. 2024.