http://www.css.ethz.ch/content/dam/ethz/special-interest/gess/cis/center-for-securities-studies/pdfs/CSSAnalyse225-EN.pdf
https://thediplomat.com/2021/06/the-soviet-origins-of-xis-xinjiang-policy/?utm_source=newsletter&utm_medium=email&utm_campaign=18%2F06%2F2021+(Copy)
https://literaryreview.co.uk/brothers-in-arms-or-just-good-friends