Woldegabriel, Giday; Haile-Selassie, Yohannes; Renne, Paul R.; Hart, William K.; Ambrose, Stanley H.; Asfaw, Berhane; Heiken, Grant; White, Tim (2001). "Geology and palaeontology of the Late Miocene Middle Awash valley, Afar rift, Ethiopia". Nature. 412 (6843): 175–178. Bibcode:2001Natur.412..175W. doi:10.1038/35084058. PMID11449271. S2CID7017992.
Woldegabriel, Giday; Haile-Selassie, Yohannes; Renne, Paul R.; Hart, William K.; Ambrose, Stanley H.; Asfaw, Berhane; Heiken, Grant; White, Tim (2001). "Geology and palaeontology of the Late Miocene Middle Awash valley, Afar rift, Ethiopia". Nature. 412 (6843): 175–178. Bibcode:2001Natur.412..175W. doi:10.1038/35084058. PMID11449271. S2CID7017992.
Woldegabriel, Giday; Haile-Selassie, Yohannes; Renne, Paul R.; Hart, William K.; Ambrose, Stanley H.; Asfaw, Berhane; Heiken, Grant; White, Tim (2001). "Geology and palaeontology of the Late Miocene Middle Awash valley, Afar rift, Ethiopia". Nature. 412 (6843): 175–178. Bibcode:2001Natur.412..175W. doi:10.1038/35084058. PMID11449271. S2CID7017992.
Woldegabriel, Giday; Haile-Selassie, Yohannes; Renne, Paul R.; Hart, William K.; Ambrose, Stanley H.; Asfaw, Berhane; Heiken, Grant; White, Tim (2001). "Geology and palaeontology of the Late Miocene Middle Awash valley, Afar rift, Ethiopia". Nature. 412 (6843): 175–178. Bibcode:2001Natur.412..175W. doi:10.1038/35084058. PMID11449271. S2CID7017992.