https://bdi.eu/#/artikel/news/europa-muss-ein-worst-case-szenario-verhindern/
https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf
http://news.sky.com/story/theresa-may-theres-no-economic-case-for-breaking-up-the-uk-10787816
https://www.opendemocracy.net/anthony-barnett/why-brexit-won-t-work-eu-is-about-regulation-not-sovereignty?utm_source=Daily+Newsletter&utm_campaign=84fcef5dd0-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-84fcef5dd0-407405485