{"id":"000858103","type":"book","title":"Estudio de los materiales gemológicos del Tesoro de Guarrazar","publisher":"Instituto Gemológico Español","publisher-place":"Madrid","pages":"5-18","container-title":"Boletin del Instituto Gemologico Español","author":[{"family":"Cozar","given":"Juan S."}],"issued":{"raw":"1996"}}