Bonaria, Vittorio, and Giovanni Tosatti. “13th August 1935: A Catastrophic Dam Failure in the Orba Valley (piedmont, Italy)”. Italian journal of engineering geology and environment (November 30, 2013): 383–391. Accessed November 23, 2024. https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/1267.