{"id":"001366810","type":"article","title":"L'extraction du silex en Bulgarie du Nord-Est à l'époque Chalcolithique","publisher":"FERACF","publisher-place":"Tours","pages":"85-90","container-title":"L'Europe, déjà, à la fin des temps préhistoriques","author":[{"family":"Mateva","given":"Boryana"}],"issued":{"raw":"2012"}}