Fratini, S., Francesconi, F. M., Checcucci, R., Frondini, F., Lanzi, D., & Spinsanti, R. (2013). Vulsino volcanic aquifer in Umbria Region : Hydrogeological survey for the characterization of the presence of arsenic and aluminium and the correct use of groundwater. Acque Sotterranee - Italian Journal of Groundwater, 2(4). https://doi.org/10.7343/as-048-13-0075