
https://www.brookings.edu/blog/order-from-chaos/2020/03/23/as-us-russian-arms-control-faces-expiration-sides-face-tough-choices/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=85144056

https://capx.co/power-sharing-is-returning-to-stormont-but-thats-no-guarantee-of-stability/

https://www.koerber-stiftung.de/fileadmin/user_upload/koerber-stiftung/redaktion/the-berlin-pulse/pdf/2018/The-Berlin-Pulse-2018.pdf