https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/365.pdf
https://www.bloomberg.com/news/articles/2017-06-14/ryanair-easyjet-say-soft-brexit-won-t-address-airline-concerns?cmpid=BBBXT061517_BIZ&utm_medium=email&utm_source=newsletter&utm_term=170615&utm_campaign=brexit
https://ec.europa.eu/commission/sites/beta-political/files/seminar-20200114-lpf_en.pdf
http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/