
https://www.politico.eu/article/eu-us-and-russia-held-secret-talks-days-before-nagorno-karabakh-crisis/

https://www.brookings.edu/wp-content/uploads/2024/03/3_Arslanalp-et-al_unembargoed.pdf

https://www.bruegel.org/2022/02/preparing-for-the-first-winter-without-russian-gas/