https://www.gov.uk/government/publications/information-about-the-withdrawal-bill
http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/
https://www.opendemocracy.net/en/opendemocracyuk/customs-union-leaves-everything-play-trade-justice/?utm_source=Daily+Newsletter&utm_campaign=f531c721c4-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-f531c721c4-407405485
https://bdi.eu/#/artikel/news/europa-muss-ein-worst-case-szenario-verhindern/