
https://www.zeit.de/politik/ausland/2023-03/nordstream-2-ukraine-anschlag

http://www.ips-journal.eu/regions/europe/article/show/the-new-east-bloc-is-open-for-business-2523/

https://ecipe.org/wp-content/uploads/2021/07/ECI_21_PolicyBrief_11_2021_LY03-2.pdf