Caramanna G, Argentieri A, Buonfiglio V. [The “Pozzo del Merro” drowned sinkhole: 20 years of exploration and study]. AS-ITJGW [Internet]. 2022 Dec. 20 [cited 2024 Oct. 30];11(4):73-8. Available from: https://www.acquesotterranee.net/acque/article/view/605