The oldest European marmots: Metrical study of the Marmota fossils from the Early and Middle Pleistocene of Sierra de Atapuerca sites (Burgos, Spain)

1. Estraviz-López, D.
2. Cuenca-Bescós, G.
3. Blain, H.A.
4. López-García, J.M.
5. Núñez-Lahuerta, C.
6. Galán, J.