Faggioni, O., D. Westerman, F. Innocenti, N. Beverini, C. Carmisciano, R. Cavallini, and A. Dini. “The Intrusive Complexof the Island of Giglio: Geomagnetic Characteristics of Plutonic Facies With Low Susceptibility Contrast”. Annals of Geophysics, vol. 41, no. 3, Nov. 1998, doi:10.4401/ag-4343.