Colalongo, M. L., Pasini, G., Pelosio, G., Raffi, S., Rio, D., Ruggieri, G., Sartoni, S., Selli, R., & Sprovieri, R. (2024). The Neogene/Quaternary boundary definition: a review and a proposal. Geografia Fisica E Dinamica Quaternaria, 5(1), 59-68. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/967