http://blogs.lse.ac.uk/politicsandpolicy/john-mills-ge2017/
https://www.socialeurope.eu/lexit-fallacies
https://publications.parliament.uk/pa/ld201719/ldselect/ldconst/69/69.pdf
https://bdi.eu/media/pressecenter/#/artikel/news/brexit-wirft-seine-schatten-voraus/