1. Andres F, Byrnes M (1991) Accuracy of shoreline change rates as determined from maps and aerial photographs. Shore Beach 59(1):17–26
2. Anfuso G, Gracia FJ (2005) Morphodynamic characteristics and short-term evolution of a coastal sector in SW Spain: implications for coastal erosion management. J Coast Res 21(6):139–153
3. Anfuso G, Bello E, Benavente J, Nachite D, Macias A (2006) Morphological characteristics and volumetric variability of the beaches between Ceuta and Cabo Negro (Morocco). Ciencias Marinas 32(3):579–588
4. Anfuso G, Benavente J, Nachite D, Bello E, Guiati R, Ghetti A, Meklach Y, Macías A (2004) Características morfodinámicas y variaciones estacionales de las playas del tramo costero marroquí entre Ceuta y Cabo Negro (Morphodynamic characteristics and seasonal variations of the beaches between Ceuta and Cabo Negro, Morocco). Actas VIII Reunión Nacional Geomorfol 283–289
5. Bascom WN (1951) The relationship between sand size and beach face slope. Trans Am Geophys Un 32:866–874