Bonafede M, Cenni N. A porous flow model of flank eruptions on Mt. Etna: second-order perturbation theory. Ann. Geophys. [Internet]. 1997 Nov. 25 [cited 2026 Apr. 21];40(5). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3848