Galluzzo, D., E. Del Pezzo, M. La Rocca, and S. Petrosino. “Peak Ground Acceleration Produced by Local Earthquakes in Volcanic Areas of Campi Flegrei and Mt. Vesuvius”. Annals of Geophysics, vol. 47, no. 4, Dec. 2004, pp. 1377-89, doi:10.4401/ag-4401.