https://www.brexitloket.nl/impactscan
http://www.ecfr.eu/article/commentary_there_is_life_for_the_eu_after_brexit
https://www.esri.ie/system/files/publications/RB202017_2.pdf
https://uk.reuters.com/article/uk-britain-eu-options/stairway-to-brexit-barnier-maps-out-uks-canadian-path-idUKKBN1ED23R