Kofoed, Hans (1977). "Danmarks første jager" [Denmark's first fighter] (PDF). Flyvehistorisk Tidsskrift [Flying History Journal] (in Danish) (2/1977). Dansk Flyvehistorisk Forening: 6–9. Archived from the original(PDF) on 30 October 2007. Retrieved 10 November 2023. See also Archive list of articles 1967-2007
Kofoed, Hans (1977). "Danmarks første jager" [Denmark's first fighter] (PDF). Flyvehistorisk Tidsskrift [Flying History Journal] (in Danish) (2/1977). Dansk Flyvehistorisk Forening: 6–9. Archived from the original(PDF) on 30 October 2007. Retrieved 10 November 2023. See also Archive list of articles 1967-2007
Kofoed, Hans (1977). "Danmarks første jager" [Denmark's first fighter] (PDF). Flyvehistorisk Tidsskrift [Flying History Journal] (in Danish) (2/1977). Dansk Flyvehistorisk Forening: 6–9. Archived from the original(PDF) on 30 October 2007. Retrieved 10 November 2023. See also Archive list of articles 1967-2007