@book{604450, author = {Blasco, Ruth and Blain, Hugues-Alexandre}, title = {Earliest evidence for human consumption of tortoises in the European Early Pleistocene from Sima del Elefante, Sierra de Atapuerca, Spain}, year = {2011}, url = {http://www.sciencedirect.com/science/article/pii/S004724841100145X} }