Farabollini, Piero, Marco Materazzi, and Gianni Scalella , trans. “PROPOSAL FOR PRESERVATION AND PROTECTION OF THE MARCHE REGION MUD VOLCANOES (CENTRAL ITALY) ”. Alpine and Mediterranean Quaternary 18, no. 1 (May 17, 2005): 179–184. Accessed July 16, 2024. https://amq.aiqua.it/index.php/amq/article/view/485.