https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
http://www.britishchambers.org.uk/press-office/press-releases/bcc-no-deal-not-an-option-for-business-communities.html
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/637748/Future_customs_arrangements_-_a_future_partnership_paper.pdf
http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf