
https://publications.parliament.uk/pa/bills/cbill/58-03/0204/220204.pdf

https://ec.europa.eu/commission/commissioners/2014-2019/andriukaitis/blog/likening-eu-ussr-not-unreasonable_en

http://www.cobcoe.eu/files/cobcoe-brexit-report-september-2017-e-Y4G2st.pdf