M. Durand, F. Fluteau, S. Bourquin, J. Broutin, y J. Díez, «The Permian-Triassic boundary and Early Triassic sedimentation in Western European basins: an overview», JIGE, vol. 33, n.º 2, pp. 221–236, ene. 2007, Accedido: dic. 05, 2025. Disponible en: https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0707210221A