Di Matteo, L., Brunelli, S., & Capponi, E. (2008). Strenght parameters of compacted cohesive soils: analysis of sandy-clayely soils of the “Lisciani di Pantalla” (Todi – central Italy). Italian Journal of Engineering Geology and Environment, (1), 25–32. https://doi.org/10.4408/IJEGE.2008-01.O-02