http://UK Brexit And The Exterminating Angel
https://institute.global/news/brexit-realities-taking-back-control
http://bruegel.org/wp-content/uploads/2017/03/WP_2017_03-.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/655232/DExEU_ARA_v5.0_amended_version_14.08.17__1_.pdf