1.
Arche, A., Díez, J.B., and López Gómez, J. 2007. Identification of the Early Permian (Autunian) in the subsurface of the Ebro Basin, NE Spain, and its paleogeographic consequences. Journal of Iberian Geology 33, 1, 125–133. Retrieved October 15, 2024 from https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0707120125A