title: [When the royal transport society in Stockholm was persuaded of the existence the phenomenon of color-blindness. ].
authors.forename: M
authors.initials: M
authors.lastname: Bergmark
mesh_terms: D049711:History, Modern 1601-; D013548:Sweden; D014786:Vision Disorders / Q000266:history*
vernacular_title: När Kongl. Trafikstyrelsen i Stockholm övertygades om att fenomenet färgblindhet existerar.