Alfano, L., M. Giudici, and A. Zaja. “Magnetotelluric and DC Electrical Soundings in the Po Plain (Veneto Region)”. Annals of Geophysics 41, no. 3 (November 25, 1998). Accessed August 18, 2022. https://www.annalsofgeophysics.eu/index.php/annals/article/view/4341.