
https://centreonconstitutionalchange.ac.uk/sites/default/files/2021-04/Union%20at%20the%20Crossroads.pdf

http://www.ips-journal.eu/regions/europe/article/show/remainers-revenge-really-2101/

https://www.ft.com/content/ed91e91a-87f2-11e7-8bb1-5ba57d47eff7