Deroin, J.-p. “Permian and Quaternary playas, a discussion based on climatic, tectonic and palaeogeographic settings”. Journal of Iberian Geology, vol. 34, vol. 34, no. 1, 2008, pp. 11-28, https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0808120011A.