http://ukandeu.ac.uk/an-utterly-pernicious-bill/
https://uk.reuters.com/article/uk-britain-eu-options/stairway-to-brexit-barnier-maps-out-uks-canadian-path-idUKKBN1ED23R
https://www.opendemocracy.net/uk/gerry-hassan/brexit-dunkirk-and-britain-where-past-shapes-future?utm_source=Daily+Newsletter&utm_campaign=56585cbb86-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-56585cbb86-407405485
https://www.parliament.uk/documents/commons-committees/culture-media-and-sport/Background%20paper%20-%202016%20Referendum%20Expenses%20Opinion%20-%20Matrix%20Chambers.pdf