Semaw, S.; Rogers, M. J.; Quade, J.; Renne, P. R.; Butler, R. F.; Domínguez-Rodrigo, M.; Stout, D.; Hart, W. S.; Pickering, T.; et al. (2003). "2.6-Million-year-old stone tools and associated bones from OGS-6 and OGS-7, Gona, Afar, Ethiopia". Journal of Human Evolution. 45 (2): 169–177. Bibcode:2003JHumE..45..169S. doi:10.1016/S0047-2484(03)00093-9. PMID14529651.
Despriée, Jackie; Voinchet, Pierre; Tissoux, Hélène; Bahain, Jean-Jacques; Falguères, Christophe; Courcimault, Gilles; Dépont, Jean; Moncel, Marie-Hélène; Robin, Sophie; Arzarello, Marta; Sala, Robert; Marquer, Laurent; Messager, Erwan; Puaud, Simon; Abdessadok, Salah (June 2011). "Lower and Middle Pleistocene human settlements recorded in fluvial deposits of the middle Loire River Basin, Centre Region, France". Quaternary Science Reviews. 30 (11–12): 1474–1485. Bibcode:2011QSRv...30.1474D. doi:10.1016/j.quascirev.2011.02.011.
Semaw, S.; Rogers, M. J.; Quade, J.; Renne, P. R.; Butler, R. F.; Domínguez-Rodrigo, M.; Stout, D.; Hart, W. S.; Pickering, T.; et al. (2003). "2.6-Million-year-old stone tools and associated bones from OGS-6 and OGS-7, Gona, Afar, Ethiopia". Journal of Human Evolution. 45 (2): 169–177. Bibcode:2003JHumE..45..169S. doi:10.1016/S0047-2484(03)00093-9. PMID14529651.
Despriée, Jackie; Voinchet, Pierre; Tissoux, Hélène; Bahain, Jean-Jacques; Falguères, Christophe; Courcimault, Gilles; Dépont, Jean; Moncel, Marie-Hélène; Robin, Sophie; Arzarello, Marta; Sala, Robert; Marquer, Laurent; Messager, Erwan; Puaud, Simon; Abdessadok, Salah (June 2011). "Lower and Middle Pleistocene human settlements recorded in fluvial deposits of the middle Loire River Basin, Centre Region, France". Quaternary Science Reviews. 30 (11–12): 1474–1485. Bibcode:2011QSRv...30.1474D. doi:10.1016/j.quascirev.2011.02.011.
Semaw, S.; Rogers, M. J.; Quade, J.; Renne, P. R.; Butler, R. F.; Domínguez-Rodrigo, M.; Stout, D.; Hart, W. S.; Pickering, T.; et al. (2003). "2.6-Million-year-old stone tools and associated bones from OGS-6 and OGS-7, Gona, Afar, Ethiopia". Journal of Human Evolution. 45 (2): 169–177. Bibcode:2003JHumE..45..169S. doi:10.1016/S0047-2484(03)00093-9. PMID14529651.