https://ahdb.org.uk/documents/Horizon_meatanddairy_Sept2017.pdf
http://fedtrust.co.uk/our-work-on-europe/there-may-be-trouble-ahead-brexit-after-the-election/
https://www.rand.org/pubs/research_reports/RR2200.html
http://www.epc.eu/documents/uploads/pub_7865_realitybites.pdf