Cheremazova, Ekaterina, Sergey Skublov, Konstantin Novoselov, Alex Mikhailov, Olga Galankina, and Viktor Alexeev. “ Spain)”. Journal of Iberian Geology 41, no. 2 (June 17, 2015): 223–232. https://doi.org/10.5209/rev_JIGE.2015.v41.n2.48265.