Iovino, M., & Perriello Zampelli, S. (2007). The April 30th, 2006, Mt. Vezzi landslides (Ischia Island, Italy) in the context of the sliding susceptibility of volcanic soils in Campania. Italian Journal of Engineering Geology and Environment, (2), 73–91. https://doi.org/10.4408/IJEGE.2007-02.O-06