{"id":"001073823","type":"book","title":"Spondylus sp. at Lezetxiki Cave (Basque Country, Spain)","publisher":"Archaeopress","publisher-place":"Oxford","pages":"19-24","container-title":"Spondylus in Prehistory : New data and approaches. Contributions to the archaeology of shell technologies","author":[{"family":"Arrizabalaga","given":"Alvaro"}],"issued":{"raw":"2011"}}