{"id":"000861025","type":"book","title":"El Paleolítico antiguo en la cuenca del Duero","publisher":"Universidad","publisher-place":"Valladolid","pages":"9-21","container-title":"Boletín del Seminario de Estudios de Arte y Arqueología (Valladolid), 75 (2009","author":[{"family":"Sánchez Yustos","given":"Policarpo"}],"issued":{"raw":"2009"}}