Bizzarri, Roberto, Andrea Albianelli, Patrizia Argenti, Angela Baldanza, Roberto Colacicchi, and Giovanni Napoleone , trans. “THE LATEST CONTINENTAL FILLING OF VALLE UMBRA (TIBER BASIN, CENTRAL ITALY) DATED TO ONE MILLION YEARS AGO BY MAGNETOSTRATIGRAPHY ”. Alpine and Mediterranean Quaternary 24, no. 1 (September 5, 2010): 51–65. Accessed July 16, 2024. https://amq.aiqua.it/index.php/amq/article/view/240.