1. The Valpola landslide;Azzoni;Eng. Geol.,1992
2. La formation d'argiles a blocs dans la province de Cadix, Cordilleras Betiques, Espagne;Bourgois;Reun. Annu. Sci. Terre,1974
3. The application of system theory to the study of mass movement;Brunsden,1973
4. Correlation between rainfall and landslides;Canuti;Bull. Int. Assoc. Eng. Geol.,1985
5. II Congreso Geológico de España. Granada, Guía de Excursión B-5;Chacón Montero,1988