CALOI, P. Sulla dispersione delle onde sismiche nell’ambito delle altissime frequenze. Annals of Geophysics, [S. l.], v. 10, n. 3-4, p. 193–208, 1957. DOI: 10.4401/ag-5907. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5907. Acesso em: 2 dec. 2021.