Paleohydrological fluctuations and steppe vegetation during the last glacial maximum in the central Ebro valley (NE Spain)

1. Valero-Garcés, B.L.
2. González-Sampériz, P.
3. Navas, A.
4. Machin, J.
5. Delgado-Huertas, A.
6. Pena-Monné, J.L.
7. Sancho-Marcén, C.
8. Stevenson, T.
9. Davis, B.