VAN LOON, A. The stratigraphy of the Westphalian C around Prioro (prov. León. Spain) (with Paleontological Notes by G.E. de Groot, H.W.J. van Amerom and R.H. Wagner). Trabajos de Geología, [S. l.], v. 3, n. 3, p. 231-267, 1971. DOI: 10.17811/tdg.3.1971.231-267. Disponível em: https://reunido.uniovi.es/index.php/TDG/article/view/2676. Acesso em: 26 sep. 2022.