https://www.iai.it/sites/default/files/iaip1924.pdf
https://www.chathamhouse.org/2023/02/seven-ways-russias-war-ukraine-has-changed-world?utm_source=newsletter&utm_medium=email&utm_campaign=21%2F02%2F2023
https://www.martenscentre.eu/wp-content/uploads/2022/04/Spring-2022-European-View.pdf
https://www.brookings.edu/wp-content/uploads/2021/04/FP_20210412_china_arctic.pdf