20. Bibliografia “ Vos F, Rodriguez J, Below R, Guha-Sapir D. Annual Disaster Statistical Review 2009: The Numbers and Trends. Brussels: CRED; 2010. “ Guha-Sapir D, Vos F, Below R, with Ponserre S. Annual Disaster Statistical Review 2010: The Numbers and Trends. Brussels: CRED; 2011.”