http://www.europarl.europa.eu/RegData/etudes/STUD/2017/602028/IPOL_STU(2017)602028_EN.pdf
https://www.publications.parliament.uk/pa/ld201617/ldselect/ldeucom/78/78.pdf
https://www.thetimes.co.uk/edition/news/irish-want-sea-border-with-uk-after-brexit-lvb6n35fq
https://www.tatler.com/article/rishi-sunak-chancellor-of-the-exchequer-feature