Isotopic analysis of Middle Pleistocene fauna from Gran Dolina (Sierra de Atapuerca, Spain) and their implications for hominin paleoecology - García García, Nuria; Feranec, Robert; Saladié Ballesté, Palmira; Rodríguez-Hidalgo, Antonio; Ollé Cañellas, Andreu; Carbonell, Eudald; Bermúdez de Castro, José María (2014)