
https://dgap.org/system/files/article_pdfs/dgap-report-2023-01-EN-Rethinking%20EUs%20Eastern%20Enlargement_0.pdf

https://rusi.org/explore-our-research/publications/commentary/how-entanglement-china-erodes-germanys-strategic-autonomy

https://www.nato.int/nato_static_fl2014/assets/pdf/2021/6/pdf/210611-pr-2021-094-en.pdf