https://www.nytimes.com/2017/05/29/opinion/britain-brexit-economy.html?_r=1
https://dbei.gov.ie/en/Publications/Publication-files/Ireland-and-the-Impacts-of-Brexit.pdf
http://www.cobcoe.eu/files/cobcoe-brexit-report-september-2017-e-Y4G2st.pdf
http://www.britishchambers.org.uk/press-office/press-releases/bcc-no-deal-not-an-option-for-business-communities.html