Cinque, Aldo, et al. “Volcanism, Tectonics and Recent Geomorphological Change in the Bay of Napoli”. Geografia Fisica E Dinamica Quaternaria, vol. 3, no. 2, Jan. 1997, pp. 123-41, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1152.