https://www.socialeurope.eu/2017/07/road-soft-brexit/
https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/9/9.pdf
http://www.assemblee-nationale.fr/14/pdf/rap-info/i4485.pdf
https://www.thecityuk.com/assets/2017/Reports-PDF/A-vision-for-a-transformed-world-leading-industry.pdf