CAMASSI, R.; AZZARO, R.; TERTULLIANI, A. Macroseismology: the lessons learnt from the 1997/98 Colfiorito seismic sequence. Annals of Geophysics, [S. l.], v. 51, n. 2-3, p. 331–342, 2008. DOI: 10.4401/ag-4453. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4453. Acesso em: 29 nov. 2021.