Schudack, U. y M. Schudack. «Ostracod biostratigraphy in the Lower Cretaceous of the Iberian chain (eastern Spain)». Journal of Iberian Geology, vol. 35, vol. 35, n.º 2, 2009, pp. 141-68, https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0909220141A.