References
Danish references:
- Danish Red Cross
- Emergency force
- Vestas
- Siemens
- Grundfos
- Carlsberg
- Fionia Bank
- Lomax
- Horsens state prison
Norwegian references:
- The millitary defence of Norway
- Statoil
- Post-office authorities of Norway
Swedish references:
- Blekinge hospital
- The millitary defence of Sweden
- Post-office authorities of Sweden
American reference::
- The millitary defence of USA