@book{604437, author = {Blain, Hugues-Alexandre and Lopez-Garcia, Juan Manuel}, title = {A very diverse amphibian and reptile assemblage from the late Middle Pleistocene of the Sierra de Atapuerca (Sima del Elefante, Burgos, Northwestern Spain)}, year = {2011}, url = {http://www.sciencedirect.com/science/article/B6X0V-5265SCT-3/2/233061ff6850203fdfe3e3c1d2404e23} }