E. Bruner, L. Bondioli, A. Coppa, D. W. Frayer, R. L. Holloway, Y. Libsekal, T. Medin, L. Rook, and R. Macchiarelli. The endocast of the one-million-year-old human cranium from Buia ({UA} 31), Danakil Eritrea. Am. J. Phys. Anthropol., Wiley Online Library, volume 160, issue 3, pages 458-468, 2016.

E. Abbate, A. Albianelli, A. Azzaroli, M. Benvenuti, B. Tesfamariam, P. Bruni, N. Cipriani, R. J. Clarke, G. Ficcarelli, R. Macchiarelli, G. Napoleone, M. Papini, L. Rook, M. Sagri, T. M. Tecle, D. Torre, and I. Villa. A one-million-year-old Homo cranium from the Danakil (Afar) Depression of Eritrea. Nature, volume 393, issue 6684, pages 458-460, June 1998.