Loevezijn, Gerard B.S. van, and J.G.M. Raven. “From Carbonate Platform to Euxinic Sea – the Collapse of an Early Middle Devonian Reef, Cantabrian Mountains (Spain)”. Geologos 23, no. 3 (December 20, 2017): 143–161. Accessed May 3, 2024. https://pressto.amu.edu.pl/index.php/logos/article/view/logos-2017-0018.