Rodríguez-ramírez, A., J.A. Morales, I. Delgado, and M. Cantano. 2008. “The Impact of Man on the Morphodynamics of the Huelva Coast (SW Spain)”. Journal of Iberian Geology 34 (2): 313-27. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0808220313A.