https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/248/248.pdf
http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf
https://borderlex.net/2021/04/13/comment-quo-vadis-energy-charter-treaty/
https://www.opendemocracy.net/uk/robin-wilson/brexit-view-from-other-end-of-telescope?utm_source=Daily+Newsletter&utm_campaign=51652e55f2-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-51652e55f2-407405485