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(en) Brian Villmoare, William H. Kimbel, Chalachew Seyoum, Christopher J. Campisano, Erin DiMaggio, John Rowan, David R. Braun, J. Ramon Arrowsmith et Kaye E. Reed, « Early Homo at 2.8 Ma from Ledi-Geraru, Afar, Ethiopia », Science, vol. 347, no 6228, , p. 1352-1355 (PMID25739410, DOI10.1126/science.aaa1343, Bibcode2015Sci...347.1352V, S2CID206632944).
(en) Brian Villmoare, William H. Kimbel, Chalachew Seyoum, Christopher J. Campisano, Erin DiMaggio, John Rowan, David R. Braun, J. Ramon Arrowsmith et Kaye E. Reed, « Early Homo at 2.8 Ma from Ledi-Geraru, Afar, Ethiopia », Science, vol. 347, no 6228, , p. 1352-1355 (PMID25739410, DOI10.1126/science.aaa1343, Bibcode2015Sci...347.1352V, S2CID206632944).
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(en) Brian Villmoare, William H. Kimbel, Chalachew Seyoum, Christopher J. Campisano, Erin DiMaggio, John Rowan, David R. Braun, J. Ramon Arrowsmith et Kaye E. Reed, « Early Homo at 2.8 Ma from Ledi-Geraru, Afar, Ethiopia », Science, vol. 347, no 6228, , p. 1352-1355 (PMID25739410, DOI10.1126/science.aaa1343, Bibcode2015Sci...347.1352V, S2CID206632944).