“THE GELASIAN STAGE: A PROPOSAL OF A NEW CHRONOSTRATIGRAPHIC UNIT OF THE PLIOCENE SERIES”. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 100, no. 1 (March 30, 1994). Accessed July 27, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/8671.