HÉDERVARI, P. Systcm of Volcanic activity. Annals of Geophysics, [S. l.], v. 24, n. 3, p. 397–435, 1971. DOI: 10.4401/ag-5161. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5161. Acesso em: 14 jul. 2024.