1. Tableau: des formations géologiques dans l'ordre de leur superposition Author(s): Humboldt, Alexander von, 1769-1859 Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): Geologic Sediments -- classificationPaleontology -- classificationZoology -- classificationBiological Evolution
