González-Calvillo, A., and L.A. Cupul-Magaña. “Erosion Causes In Playas De Tijuana, B.C. During 1975-1985”. Ciencias Marinas 12, no. 3 (March 6, 1986): 82–94. Accessed May 16, 2024. https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/514.