2.6-Million-year-old stone tools and associated bones from OGS-6 and OGS-7, Gona, Afar, Ethiopia

1. Semaw, S.
2. Rogers, M.J.
3. Quade, J.
4. Renne, P.R.
5. Butler, R.F.
6. Dominguez-Rodrigo, M.
7. Stout, D.
8. Hart, W.S.
9. Pickering, T.
10. Simpson, S.W.