A 1.4-million-year-old bone handaxe from Konso, Ethiopia, shows advanced tool technology in the early Acheulean
Katsuhiro Sano; Yonas Beyene; Shigehiro Katoh; Daisuke Koyabu; Hideki Endo; Tomohiko Sasaki; Berhane Asfaw; Gen Suwa
Proceedings of the National Academy of Sciences, 04 Aug. 2020, Peer-reviewed