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. Journal of Archaeological Science, Band 27, 2000, S. 1197–1214, دُوِي:10.1006/jasc.1999.0592; Volltext auch bei indiana.edu (PDF; 1,0 MB). نسخة محفوظة 28 يوليو 2020 على موقع واي باك مشين.
J. de Heinzelin u. a.: Environment and Behavior of 2.5-Million-Year-Old Bouri Hominids. In: Science, Band 284, Nr. 5414, 1999, S. 625–629, دُوِي:10.1126/science.284.5414.625
iu.edu
origins.sitehost.iu.edu
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. Journal of Archaeological Science, Band 27, 2000, S. 1197–1214, دُوِي:10.1006/jasc.1999.0592; Volltext auch bei indiana.edu (PDF; 1,0 MB). نسخة محفوظة 28 يوليو 2020 على موقع واي باك مشين.
web.archive.org
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. Journal of Archaeological Science, Band 27, 2000, S. 1197–1214, دُوِي:10.1006/jasc.1999.0592; Volltext auch bei indiana.edu (PDF; 1,0 MB). نسخة محفوظة 28 يوليو 2020 على موقع واي باك مشين.