FORESTA MARTIN, F.; LA MONICA, M. THE Black Gold that came from the sea. A review of Obsidian studies at the island of Ustica. Annals of Geophysics, [S. l.], v. 62, n. 1, p. VO14, 2019. DOI: 10.4401/ag-7686. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7686. Acesso em: 29 mar. 2024.