Vgl. Sileshi Semaw: The World’s Oldest Stone Artefacts from Gona, Ethiopia: Their Implications for Understanding Stone Technology and Patterns of Human Evolution Between 2·6–1·5 Million Years Ago. In: Journal of Archaeological Science. Band 27, 2000, S. 1197–1214, doi:10.1006/jasc.1999.0592, Volltext (PDF; 1 MB)
indiana.edu
Vgl. Sileshi Semaw: The World’s Oldest Stone Artefacts from Gona, Ethiopia: Their Implications for Understanding Stone Technology and Patterns of Human Evolution Between 2·6–1·5 Million Years Ago. In: Journal of Archaeological Science. Band 27, 2000, S. 1197–1214, doi:10.1006/jasc.1999.0592, Volltext (PDF; 1 MB)