VALLE, P. E. Contributo allo studio delle caratteristiche sismiche del Mediterraneo Centro-Orientale. Annals of Geophysics, [S. l.], v. 1, n. 2, p. 266–278, 1948. DOI: 10.4401/ag-6061. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6061. Acesso em: 26 apr. 2024.