A geoarchaeological reassessment of the co-occurrence of the oldest Acheulean and Oldowan in a fluvial ecotone from lower middle Bed II (1.7ma) at Olduvai Gorge (Tanzania)

1. Uribelarrea, D.
2. Martín Perea, D.
3. Díez-Martín, F.
4. Baquedano, E.
5. Mabulla, A.
6. Barba, R.
7. Gidna, A.
8. Dominguez-Rodrigo, M.