guadagno, Francesco M., Paola revellino, and Gerardo grelle. “The 1998 Sarno Landslides: Conflicting Interpretations of a Natural Event”. Italian journal of engineering geology and environment (November 30, 2011): 71–81. Accessed November 24, 2024. https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/1093.