http://www.ecfr.eu/article/commentary_germanys_defence_commitments_nothing_but_paper_tigers
https://watson.brown.edu/costsofwar/files/cow/imce/papers/2021/Costs%20of%20War_Direct%20War%20Deaths_9.1.21.pdf
https://www.gmfus.org/sites/default/files/2022-02/Keil%20-%20NATO%20core%20tasks%20-%20brief%20NEW.pdf
https://thebulletin.org/premium/2024-01/chinese-nuclear-weapons-2024/#post-heading