THE LATEST CONTINENTAL FILLING OF VALLE UMBRA (TIBER BASIN, CENTRAL ITALY) DATED TO ONE MILLION YEARS AGO BY MAGNETOSTRATIGRAPHY . AMQ [Internet]. 2010 Sep. 5 [cited 2024 Nov. 27];24(1):51-65. Available from: https://amq.aiqua.it/index.php/amq/article/view/240