http://www.sussex.ac.uk/spru/newsandevents/2017/publications/food-brexit
https://www.friendsofeurope.org/sites/default/files/media-files/uk_report_web.pdf
https://www.sussex.ac.uk/webteam/gateway/file.php?name=foodbrexitreport-langmillstonemarsden-july2017pdf.pdf&site=25
https://blogs.lse.ac.uk/brexit/2021/02/04/indyref2-scottish-independence-would-be-2-3-times-more-costly-than-that-of-brexit-and-rejoining-the-eu-wouldnt-make-up-the-difference/