Integrative geochronology calibrates the Middle and Late Stone Ages of Ethiopia’s Afar Rift

Elizabeth M. Niespolo, Giday WoldeGabriel, William K. Hart, Paul R. Renne, Warren D. Sharp, M. Steven Shackley, Stanley H. Ambrose, Berhane Asfaw, Yonas Beyene, Marianne F. Brasil, Joshua P. Carlson, Yonatan Sahle, Tim D. White