https://ahdb.org.uk/documents/Horizon_meatanddairy_Sept2017.pdf
https://infacts.org/brexit-britain-long-way-fall-touches-bottom/
https://curia.europa.eu/jcms/upload/docs/application/pdf/2018-12/cp180187en.pdf
http://www.oliverwyman.com/content/dam/oliver-wyman/v2/publications/2018/march/Oliver-Wyman_Clifford-Chance-The-Red-Tape-Cost-of-Brexit.pdf