{"id":"001578909","type":"article","title":"Die Dioptra des Heron","publisher":"Georg Reimer","publisher-place":"Berlin","pages":"91-103","container-title":"Jahrbuch des Kaiserlich Deutschen Archäologischen Instituts, 14 (1899","author":[{"family":"Schöne","given":"Hermann"}],"issued":{"raw":"1900"}}