http://www.lawsociety.org.uk/news/stories/leaving-in-an-orderly-fashion-our-approach-to-brexit/
https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/248/248.pdf
https://ecipe.org/wp-content/uploads/2020/07/ECI_20_OccPaper_04_2020_LY05.pdf
https://www.waz.de/politik/gabriel-brexit-vertrag-als-modell-fuer-eu-tuerkei-beziehung-id212938393.html