https://ec.europa.eu/commission/commissioners/2014-2019/andriukaitis/blog/likening-eu-ussr-not-unreasonable_en
https://www.gov.uk/government/news/david-davis-opening-remarks-at-the-start-of-the-fourth-round-of-eu-exit-negotiations
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-goods-placed-market-under-union-law-withdrawal-date_en