New excavations in the MNK Skull site, and the last appearance of the Oldowan and Homo habilis at Olduvai Gorge, Tanzania

1. de la Torre, I.
2. Benito-Calvo, A.
3. Martín-Ramos, C.
4. McHenry, L.J.
5. Mora, R.
6. Njau, J.K.
7. Pante, M.C.
8. Stanistreet, I.G.
9. Stollhofen, H.