M. Soligo, P. Tuccimei, G. Giordano, R. Funiciello, and D. De Rita, “NEW U-SERIES DATING OF A CARBONATE LEVEL UNDERLYING THE PEPERINO ALBANO PHREATOMAGMATIC IGNIMBRITE (COLLI ALBANI, ITALY)”, AMQ, vol. 16, no. 1 bis, pp. 115–120, Nov. 2003, Accessed: Apr. 03, 2025. [Online]. Available: https://amq.aiqua.it/index.php/amq/article/view/581