
https://www.foreignaffairs.com/europe/last-ambassador-memoir-collapse-yugoslavia

https://blogs.lse.ac.uk/europpblog/2023/01/16/what-the-cosco-affair-told-us-about-germanys-relations-with-china/

https://wiiw.ac.at/the-berlin-process-for-the-western-balkans-four-recommendations-to-achieve-progress-n-582.html