temps (durée) (1) mouvement de population (1) archéologie (1) Les Amériques (1) Afrique de l'Est (1) climat (1) Afrique (1) Implements (1) Communication (1) Methods (1) Cases (1) Paleoecology--Pleistocene (1) Work (1) Visualization (1) Units of measurement (1) Tools (1) Time (1) Social sciences (1) Science (1) Paleontology--Pleistocene (1) Paleobotany--Pleistocene (1) Migration, Internal (1) Manufacturers' agents (1) Hypothesis (1) Historians (1) Glacial epoch (1) Geology, Stratigraphic--Pleistocene (1) Eurasia (1) Communication (1) Commission merchants (1)