https://infacts.org/brexit-britain-long-way-fall-touches-bottom/
https://bdi.eu/#/artikel/news/europa-muss-ein-worst-case-szenario-verhindern/
http://blogs.lse.ac.uk/brexit/2017/09/28/the-eu-referendum-was-gerrymandered/
https://publications.parliament.uk/pa/cm201719/cmselect/cmworpen/848/848.pdf