1. A survey of the field of natural hazards and disaster studies;Alexander,1995
2. Introducción a los riesgos geológicos (Introduction to geological risk);Ayala,1987
3. Baeza, C., 1994. Evaluación de las condiciones de rotura y la movilidad de los deslizamientos superficiales mediante el uso de técnicas de análisis multivariante (Evaluation of the failure conditions and mobility by using multivariate analysis in superficial media.). Ph.D. Dissertation, University Politechnique, Catalunya, Barcelona.
4. Comparing heuristic landslide hazard assessment techniques using GIS in the Trijana basin, Gran Canaria Island, Spain;Barredo;International Journal of Applied Earth Observation and Geoinformation,2000
5. A physically based, variable contributing area model of basin hydrology;Beven;Hydrological Sciences Bulletin,1979