
https://media.defense.gov/2022/Mar/28/2002964028/-1/-1/1/_JIPA_MARCH-APRIL%202022.PDF/_JIPA_MARCH-APRIL%202022.PDF

https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/preserving-osce-time-war

https://www.nybooks.com/articles/2022/04/07/the-last-of-her-kind-chancellor-angela-merkel-marton/