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2. EM-DAT|The International Disasters Databasehttp://www.emdat.be/
3. Introduction to the Physics of Landslides;De Blasio,2011
4. Landslides: Processes, Prediction, and Land Usehttps://www.wiley.com/en-ch/Landslides%3A+Processes%2C+Prediction%2C+and+Land+Use-p-9781118665954
5. Monitoring and early warning of the 2012 Preonzo catastrophic rockslope failure