https://www.esri.ie/system/files/publications/SUSTAT117.pdf
https://www.instituteforgovernment.org.uk/explainers/eu-withdrawal-bill-amendments-and-debates
https://thecritic.co.uk/take-trade-experts-and-their-models-with-a-bucket-of-salt/
http://www.ecfr.eu/page/-/Keeping_Europe_Safe_After_Brexit2.pdf