https://www.ft.com/content/ed91e91a-87f2-11e7-8bb1-5ba57d47eff7
http://www.res.org.uk/view/art4Apr17Features.html
http://Position paper transmitted to EU27 on Ongoing Union Judicial and Administrative Procedures
https://theconversation.com/eu-citizens-proposal-a-lawyer-examines-the-detail-80111