
https://www.bruegel.org/system/files/2024-05/WP%2014%202024_3.pdf

https://blogs.lse.ac.uk/brexit/2021/02/26/future-british-european-security-relations-are-a-matter-of-trust/

https://www.oecd.org/corruption/anti-bribery/Switzerland-Phase-4-Report-ENG.pdf