Mastrorillo, L., Baldoni, T., Banzato, F., Boscherini, A., Cascone, D., Checcucci, R., Petitta, M., & Boni, C. (2009). Quantitative hydrogeological analysis of the carbonate domain of the Umbria Region (central Italy). Italian Journal of Engineering Geology and Environment, (1), 137–156. https://doi.org/10.4408/IJEGE.2009-01.O-08