Giudici, M., and L. Alfano. “Applicability of the Dipole-Dipole Method for Structural Studies: Examples from the Northern Apennines”. Annals of Geophysics 41, no. 3 (November 25, 1998). Accessed April 23, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/4347.