WAGNER, R. H.; WINKLER PRINS, C. F.; RIDING, R. E. Lithostratigraphic units of the lower part of the Carboniferous in northern León, Spain (with a “Note on some goniatite faunas” by C. H. WAGNER-GENTIS). Trabajos de Geología, [S. l.], v. 4, n. 4, p. 603–665, 1971. DOI: 10.17811/tdg.4.1971.603-665. Disponível em: https://reunido.uniovi.es/index.php/TDG/article/view/2688. Acesso em: 25 abr. 2024.