Sea Control
Link:
1. Military Muscle-Flexing as Interstate Communication: Russian NOTAM Warnings off the Coast of Norway, 2015-2021 , by Kristian Åtland, Thomas Nilsen & Torbjørn Pedersen, Scandinavian Journal of Military Studies, 14 Jun 2022.
2. Norwegian Defence Research Establishment (FFI)
En liten tjänst av I'm With Friends. Finns även på engelska.