Journal of Human Evolution · 2005 · 294 citations · 46 references
Prehistoric ArchaeologyOldest Stone ToolsBioarchaeologyArchaeological ExcavationPliocene Archaeological SitesArchaeological RecordArchaeologyAnthropologyLanguage StudiesPrehistoryArchaeological Evidence
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2.5-million-year-old stone tools from Gona, Ethiopia
Sileshi Semaw, Paul R. Renne, John Harris et al. · Nature · 1997 · 620 citations