Boano, P., D. Bormioli, F. Carraro, and R. Lanza. “Magnetic Stratigraphy of the Villafranchian Type-section:(Villafranca d’Asti, Italy)”. Annals of Geophysics 42, no. 1 (November 25, 1999). Accessed April 19, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3695.