https://www.opendemocracy.net/neweconomics/brexit-global-south-time-end-free-trade-imperialism/
http://www.wsta.co.uk/images/Brexit/Brexit_FINAL.pdf
https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/4/4.pdf
https://www.lobbycontrol.de/wp-content/uploads/gaslobby-studie-lobbycontrol.pdf