VAN DE GRAAFF, W. The Piedrasluengas Limestone, a possible model of limestone facies distribution in the Carboniferous of the Cantabrian Mountains. Trabajos de Geología, [S. l.], v. 3, n. 3, p. 151–161, 1971. DOI: 10.17811/tdg.3.1971.151-161. Disponível em: https://reunido.uniovi.es/index.php/TDG/article/view/2672. Acesso em: 3 may. 2024.