http://www.icaew.com/-/media/corporate/files/technical/economy/brexit/eu-exit-charge.ashx
https://theconversation.com/eu-citizens-proposal-a-lawyer-examines-the-detail-80111
https://www.google.com/url?esrc=s&q=&rct=j&sa=U&url=https://qjae.mises.org/article/38058.pdf&ved=2ahUKEwi53cSVj4mDAxV8if0HHW-UAycQFnoECAIQAg&usg=AOvVaw3bzxr6Ovv1WObVUWPS8YTB