https://fpc.org.uk/wp-content/uploads/2023/02/Old-enemies-make-new-friends-February-2023.pdf
https://geopoliticalfutures.com//pdfs/the-russian-mystery-geopoliticalfutures-com.pdf
https://www.ceps.eu/wp-content/uploads/2013/02/1304.pdf
https://www.piie.com/blogs/realtime-economics/russias-war-ukraine-sanctions-timeline?utm_source=update-newsletter&utm_medium=email&utm_campaign=piie-insider&utm_term=yyyy-mm-dd