Madonia, Giuliana, and Marco Vattano. “New Knowledge on the Monte Conca Gypsum Karst System (Central-Western Sicily, Italy)”. Acta Carsologica 40, no. 1 (May 1, 2011). Accessed November 23, 2024. https://ojs.zrc-sazu.si/carsologica/article/view/28.