{"id":"003053172","type":"article","title":"2.5-million-year-old stone tools from Gona, Ethiopia","publisher":"Macmillan Publishers Limited, part of Springer Nature","publisher-place":"London","pages":"333-336","container-title":"0028-0836, Nature, 385 (1997","author":[{"family":"Semaw","given":"Sileshi"},{"family":"Renne","given":"P."},{"family":"Harris","given":"John William Kendal"},{"family":"Feibel","given":"Craig S."},{"family":"Bernor","given":"Raymond Louis"},{"family":"Fesseha","given":"N."},{"family":"Mowbray","given":"K."}],"issued":{"raw":"1997"}}