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Dumont, Jean François, Valdez, Francisco, Santana, Tihay, Jean Pierre, Usselmann, Pierre und Navarrete, Edison: Did the flowering of the La Tolita culture 3000 BP result from a natural disaster? In: Cybergeo: European Journal of Geography [Online], Environment, Nature, Landscape. document 507, 2010, doi:10.4000/cybergeo.23305 (revues.org).