{"id":"000534526","type":"article","title":"The microscope and Roman Republican gem engraving. Some preliminary remarks","pages":"189-204","container-title":"Pact. Revue du Groupe européen d'études pour les techniques physiques, chimiques et mathématiques appliquées à l'archéologie, 23.1989","author":[{"family":"Maaskant-Kleibrink","given":"Marianne."}],"issued":{"raw":"1989"}}