GIL-CRUZ, F. Observations of two special kinds of tremor at Galeras volcano, Colombia(1989-1991). Annals of Geophysics, [S. l.], v. 42, n. 3, 1999. DOI: 10.4401/ag-3727. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3727. Acesso em: 2 may. 2024.