https://rusi.org/sites/default/files/20200324_defence_and_integrated_review_readyforweb.pdf
https://blogs.lse.ac.uk/europpblog/2023/08/31/the-russo-ukrainian-war-by-serhii-plokhy-book-review/
https://www.euronews.com/2019/10/19/european-countries-halted-arm-exports-to-turkey-but-why-haven-t-they-done-the-same-for-sau
http://www.rand.org/content/dam/rand/pubs/research_reports/RR1700/RR1786z1/RAND_RR1786z1.pdf