http://www.consilium.europa.eu//media/32504/xt21004-ad01re02en18.pdf
https://www.project-syndicate.org/commentary/brexit-in-reverse-by-george-soros-2017-06?utm_source=Project+Syndicate+Newsletter&utm_campaign=2200ecc304-sunday_newsletter_25_6_2017&utm_medium=email&utm_term=0_73bad5b7d8-2200ecc304-105765449
https://infacts.org/queen-flip-flops-limbering-another-big-one/
https://www.sbs.strath.ac.uk/economics/fraser/20171129/GMB-Brexit-report.pdf