
https://www.sussex.ac.uk/webteam/gateway/file.php?name=foodbrexitreport-langmillstonemarsden-july2017pdf.pdf&site=25

http://www.conservativehome.com/platform/2017/05/what-would-wto-mean-andrew-stoler-and-geoff-raby-brexit-britain-has-no-need-to-fear-wto-terms.html

https://www.gov.uk/government/news/david-davis-concludes-visit-to-estonia