{"id":"000086228","type":"book","title":"Raw materials in the middle Pleistocene sites of Atapuerca (Burgos, Spain)","publisher-place":"Granada","pages":"555-568","container-title":"Siliceous rocks and culture ; [VI International Flint Symposium held in Madrid, Sept. 1991","author":[{"family":"Mosquera","given":"Marina."}],"issued":{"raw":"1997"}}