Bordi I, Frigio S, Parenti P, Speranza A, Sutera A. The analysis of the Standardized Precipitation Index in the Mediterranean area: regional patterns. Ann. Geophys. [Internet]. 2001Dec.25 [cited 2024Apr.29];44(5-6). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3550