SPINETTI, Claudia et al. Volcanic SO2 by UV-TIR satellite retrievals: validation by using ground-based network at Mt. Etna. Annals of Geophysics, [S. l.], v. 57, 2015. DOI: 10.4401/ag-6641. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6641. Acesso em: 5 apr. 2026.