Mayoral, E. J. y Wagner, R.H. 2007. The Early Permian of Valdeviar in Sevilla province, SW Spain: basin history and climatic/palaeogeographic implications. Journal of Iberian Geology 33, 1, 93–124. Recuperado 21 de noviembre de 2024 a partir de https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0707120093A