Geology and preliminary dating of the hominid-bearing sedimentary fill of the Sima de los Huesos Chamber, Cueva Mayor of the Sierra de Atapuerca, Burgos, Spain

1. Bischoff, J.L.
2. Fitzpatrick, J.A.
3. León, L.
4. Arsuaga, J.L.
5. Falgueres, C.
6. Bahain, J.J.
7. Bullen, T.