
http://uk.businessinsider.com/former-eu-negotiator-mays-government-has-handled-brexit-in-the-absolute-worst-way-2017-7

https://www.waz.de/politik/gabriel-brexit-vertrag-als-modell-fuer-eu-tuerkei-beziehung-id212938393.html

https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm