Redrawn after:            Morelli C. et al. (1977).          Crustal and upper Structure of the Nothern Apennines, the Ligurian Sea anc Corsica,             derived from seismic and gravimetric Data.              Bollettino di Geofisica teorica ed applicata (BGTA), n. 75-76, Sett.-Dic. 1977.