Peruccacci S., Rossi M., Balducci V. & Guzzetti F., 2007, A catalogue and web site of rainfall thresholds for the initiation of precipitation-induced landslides., EGU Plinius Conference on Mediterranean Storms, Varenna, 2007,
URL: http://www.cnr.it/prodotto/i/118222

Data from https://intranet.cnr.it/people/