Perles Roselló, M. J. 2013. “Methodologic Approximation to the Evaluation of the Erosion State in the Mediterranean Mountain. Application to the Headwater of the Velez River (Sistemas Béticos)”. Cuadernos De Investigación Geográfica 20 (May). Logroño, SPA:65-84. https://doi.org/10.18172/cig.1009.