1. Barton ME, Thompson RI (1986) A model for predicting groundwater response to meteorological changes. Groundwater in engineering geology. Geol Soc Eng Group Spec Pub 3:299–311
2. Bishop AW, Bjerrum J (1960) The relevance of the triaxial test to the solution of stability problems. Proceedings of the ASCE research conference on shear strength of cohesive soils. Boulder, CO, pp 437–501
3. Bromhead EN (1986) Slope stability. New York, Surrey University Press, p 373
4. Bromhead EN, Dixon N (1984) Pore water pressure observations in the coastal clay cliffs of The Isle Of Sheppey, England. In: Proceedings of the 4th international symposium on landslides. Toronto, Canada, vol. 1, pp 385–390
5. Del Prete M, Giaccari E, Trisorio-Liuzzi G (1992) Rischio Da Frane Intermittenti A Cinematica Lenta Nelle Aree Montuose E Collinari Urbanizzate Della Basilicata, Gruppo Nazionale Per La Difesa Dalle Catastrofi Idrogeologiche. Pubbl., 841 C.N.R.-U.O