https://committees.parliament.uk/publications/41982/documents/208818/default/
https://www.ips-journal.eu/topics/foreign-and-security-policy/a-stalled-partnership-7224/
https://voxeu.org/system/files/epublication/Revising_Multilateralism.pdf
http://www.ipg-journal.de/regionen/europa/artikel/detail/ein-bisschen-mehr-als-freundschaft-2458/