https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/9/9.pdf
https://www.sussex.ac.uk/webteam/gateway/file.php?name=foodbrexitreport-langmillstonemarsden-july2017pdf.pdf&site=25
http://UK Brexit And The Exterminating Angel
http://www.britishchambers.org.uk/press-office/press-releases/bcc-open-letter-to-pm-businesses-need-clarity-on-brexit.html