B. Narcisi , Tran., “QUATERNARY DISTAL TEPHRA LAYERS IN ITALY AND THE ADJOINING SEAS: CURRENT KNOWLEDGE AND PROSPECTS FOR FUTURE RESEARCH”, AMQ, vol. 16, no. 1 bis, pp. 3–9, Nov. 2003, Accessed: Jul. 16, 2024. [Online]. Available: https://amq.aiqua.it/index.php/amq/article/view/572