https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/365.pdf
https://www.theguardian.com/politics/2017/nov/10/brexit-date-is-not-irreversible-says-man-who-wrote-article-50-lord-kerr
https://lif.blob.core.windows.net/lif/docs/default-source/default-library/170427-final-trade-blueprintweb.pdf?sfvrsn=0
https://www.brexitloket.nl/impactscan