Margheriti, L., S. Pondrelli, D. Piccinini, N. Piana Agostinetti, L. Giovani, S. Salimbeni, F. Pio Lucente, A. Amato, P. Baccheschi, and J. Park. 2006. “The Subduction Structure of the Northern Apennines: Results from the RETREAT Seismic Deployment”. Annals of Geophysics 49 (4-5). https://doi.org/10.4401/ag-3107.