This article (in french) gives much more illustrations and maps on the geo referencing with the area now. Its in the structure of an interview with one of the a

This article (in french) gives much more illustrations and maps on the geo referencing with the area now. Its in the structure of an interview with one of the authors. https://www.inrap.fr/la-plus-ancienne-carte-d-europe-15574# https://www.inrap.fr/la-plus-ancienne-carte-d-europe-15574#