Nisi, Barbara, Orlando Vaselli, Franco Tassi, Javier de Elio, Marcelo Ortega, Juan Caballero, Daniele Rappuoli, and Luis Felipe Mazadiego. “Origin of the Gases Released from the Acqua Passante and Ermeta Wells (Mt. Amiata, Central Italy) and Possible Environmental Implications for Their Closure”. Annals of Geophysics 57, no. 4 (August 29, 2014): S0438. Accessed December 7, 2021.