PALEOMAGNETIC AND PALYNOLOGIC INVESTIGATIONS IN THE UPPER VALDARNO BASIN (CENTRAL ITALY): CALIBRATION OF AN EARLY VILLAFRANCHIAN FAUNA. RIPS [Internet]. 31 marzo 1997 [citato 27 luglio 2026];103(1). Disponibile su: https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/5285