Cristofolini, Renato, Giuseppe Patanè, and Sebastiano Recupero. 2024. “Morphologic Evidence for Ancient Volcanic Centres and Indications of Magma Reservoirs Underneath Mt. Etna, Sicily”. Geografia Fisica E Dinamica Quaternaria 5 (1): 3-9. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/961.