http://blogs.lse.ac.uk/brexit/2018/07/09/british-influence-in-brussels-had-been-far-greater-than-recognised/
https://www.lse.ac.uk/european-institute/Assets/Documents/LEQS-Discussion-Papers/LEQSPaper169.pdf
https://www.politico.com/news/magazine/2023/02/21/joe-bidens-ukrainian-zelenskyy-00083683