S. Cafaro, E. Gueguen, M. Parise, and M. Schiattarella, “Morphometric analysis of karst features of the Alburni Mts, Southern Apennines, Italy”, Geog. Fis. Dinam. Quat., vol. 39, no. 2, pp. 121–128, Dec. 2016, doi: 10.4461/GFDQ.2016.39.11.