This article is written by Otto Fiala and Ulrica Pettersson and discusses various encounters and analyzes NATO’s actions during the Cold War. They also take a look into the Baltic Region and the Forrest Brothers.

Source: https://ndupress.ndu.edu/Portals/68/Documents/prism/prism_8-4/prism_8-4_17-28_Fiala-Pettersson.pdf