
https://www.ifri.org/sites/default/files/atoms/files/d._puhl_vfa_33_deutschland_die_zeitenwende_und_die_zukunft_de.pdf

https://rusi.org/sites/default/files/20200221_roberts_integrated_review.pdf

https://www.belfercenter.org/sites/default/files/GreatMilitaryRivalry_ChinavsUS_211215.pdf