de Alteriis, G., M. Fedi, S. Passaro, and A. Siniscalchi. “Magneto-Seismic Interpretation of Subsurface Volcanism in the Gaeta Gulf (Italy, Tyrrhenian Sea)”. Annals of Geophysics, vol. 49, no. 4-5, Dec. 2006, doi:10.4401/ag-3106.