https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/15/15.pdf
http://www.britishchambers.org.uk/press-office/press-releases/bcc-no-deal-not-an-option-for-business-communities.html
https://committees.parliament.uk/publications/8781/documents/88926/default/
https://ukandeu.ac.uk/energy-security-and-industrial-strategy-uk-and-eu-divergence/