https://infacts.org/brexit-britain-long-way-fall-touches-bottom/
https://www.iod.com/Portals/0/PDFs/Campaigns%20and%20Reports/Europe%20and%20trade/Business-of-Brexit.pdf?ver=2017-05-22-090428-150
http://www.lawsociety.org.uk/news/stories/leaving-in-an-orderly-fashion-our-approach-to-brexit/
http://cer.eu/in-the-press/speech-michel-barnier-future-eu-conference