Co-occurrence of Acheulian and Oldowan artifacts with Homo erectus cranial fossils from Gona, Afar State, Ethiopia - Semaw, Sileshi; Rogers, Michael J.; Simpson, Scott W.; Levin, Naomi E.; Quade, Jay; Dunbar, Nelia W.; McIntosh, William C.; Cáceres, Isabel; Stinchcomb, Gary E.; Holloway, Ralph L.; Brown, Frank; Butler, Robert F.; et al. (2020)