
http://trade.ec.europa.eu/doclib/docs/2018/october/tradoc_157469.pdf

https://www.crisisgroup.org/europe-central-asia/caucasus/georgia/b90-georgia-and-russia-why-and-how-save-normalisation

https://www.kyivpost.com/article/opinion/op-ed/steven-pifer-ukraine-and-nato-dont-ask-do.html