Fiorillo, Francesco, Libera Esposito, Mauro Pagnozzi, Sabatino Ciarcia, and Giovanni Testa. “Karst Springs of Apennines Typified by Upwelling Flux”. Acque Sotterranee - Italian Journal of Groundwater 7, no. 4 (December 20, 2018). Accessed April 18, 2024. https://www.acquesotterranee.net/acque/article/view/362.