Brancato, Alfonso, Stefano Gresta, Salvatore Alparone, Daniele Andronico, Alessandro Bonforte, Tommaso Caltabiano, Ornella Cocina, et al. “Application of BET_EF at Mount Etna: A Retrospective Analysis (years 2001-2005)”. Annals of Geophysics 54, no. 5 (December 16, 2011). Accessed April 23, 2026. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5346.