{"id":"001223972","type":"book","title":"Pyropus, Pinos and Graecanicus Colos, surface treatments on copper alloys in Roman times","pages":"593-606","container-title":"Kölner Jahrbuch, 33 (2000","author":[{"family":"Giumlia-Mair","given":"Alessandra"}],"issued":{"raw":"2000"}}