https://blogs.sussex.ac.uk/uktpo/2018/12/17/organising-the-second-referendum/
https://ahdb.org.uk/documents/Horizon_meatanddairy_Sept2017.pdf
https://www.gov.uk/government/news/david-davis-closing-remarks-at-the-end-of-the-fourth-round-of-eu-exit-negotiations-in-brussels
https://committees.parliament.uk/oralevidence/2766/pdf/