Ganci, Gaetana, et al. “3D Lava Flow Mapping of the 17–25 May 2016 Etna Eruption Using Tri-Stereo Optical Satellite Data”. Annals of Geophysics, vol. 62, no. 2, Oct. 2019, p. VO220, https://doi.org/10.4401/ag-7875.