Federico, C., P. Madonia, P. Cusano, and S. Petrosino. “Groundwater Geochemistry of the Mt. Vesuvius Area: Implications for Volcano Surveillance and Relationship With Hydrological and Seismic Signals”. Annals of Geophysics, vol. 56, no. 4, Nov. 2013, p. S0447, doi:10.4401/ag-6453.