Here you will find survivors’ memories, in an English translation.
Until than you can read different memories of further Yugoslav prisoners in northern Norway – during the German occupation – in German language, translated by Jovan Arsenić: testimonies from Cveja Jovanović, Slavko Vukić, Jovan A. Krstić and Novak Todorović:
https://blodveger.info/quellen-jugoslavische-zwangsarbeiter/