The outer and inner morphology of the one-million-year-old UA 31 cranium from Buia, Danakil Eritrea: an updated comparative record - Macchiarelli, Roberto; Bondioli, Luca; Bruner, Emiliano; Coppa, Alfredo; Frayer, David; Libsekal, Yosief; Medin, Tsegai; Rook, Lorenzo; Zanolli, Clément (2016)