La réplica del autogiro C.4 vuelve a estar en vuelo - Sandglass Patrol

https://blog.sandglasspatrol.com/la-replica-del-autogiro-c-4-vuelve-a-estar-en-vuelo/ 

Scandinavian ascendance: the modernisation of the Swedish Air Force - European Security & Defence

https://euro-sd.com/2024/07/major-news/39100/swaf-modernisation/