CASCINI E., CASCINI L., GULLA' G., 1992, A back-analysis based on piezometers response, 6th International Symposium on Landslides, pp. 1123–1128, Christchurch, 10-14 February 1992,
URL: http://www.cnr.it/prodotto/i/313055

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