Centre for Research on the Epidemiology of Disasters. EM-DAT: The Emergency Events Database. Université catholique de Louvain. [2021-05-26]. (原始内容存档于2014-02-15).
Centre for Research on the Epidemiology of Disasters. EM-DAT: The Emergency Events Database. Université catholique de Louvain. [2021-05-26]. (原始内容存档于2014-02-15).