Scollo, S., Prestifilippo, M., Pecora, E., Corradini, S., Merucci, L., Spata, G. and Coltelli, M. (2014) “Eruption column height estimation of the 2011-2013 Etna lava fountains”, Annals of Geophysics, 57(2), p. S0214. doi: 10.4401/ag-6396.