"Classical Antiquity Origin of Spatial Data Underlying Portolan Charts: How Pietro Vesconte Might Have Assembled the Carta Riccardiana Utilising Maps in Marinus of Tyre’s projection" - Interactive discussionhttps://hgss.copernicus.org/preprints/hgss-2026-2/2026-05-11T08:34:20+02:00Copernicus Publications