https://www.socialeurope.eu/2017/06/britains-deepening-confusion/
https://www.nao.org.uk/wp-content/uploads/2017/07/The-Customs-Declaration-Service.pdf
https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf
https://infacts.org/better-deal-uk-fishermen-will-hard-catch/
http://www.reuters.com/article/us-britain-eu-verhofstadt-idUSKBN19V0WP
https://publiclawforeveryone.com/2017/06/10/does-the-salisbury-convention-apply-during-a-hung-parliament/
http://fedtrust.co.uk/our-work-on-europe/there-may-be-trouble-ahead-brexit-after-the-election/