New radiometric dates on the lowest stratigraphical section (TD1 to TD6) of Gran Dolina site (Atapuerca, Spain)

1. Moreno, D.
2. Falguères, C.
3. Pérez-González, A.
4. Voinchet, P.
5. Ghaleb, B.
6. Despriée, J.
7. Bahain, J.-J.
8. Sala, R.
9. Carbonell, E.
10. Bermúdez de Castro, J.M.
11. Arsuaga, J.L.