https://blog.bestforbritain.org/index.php/blog/polling-shows-no-brexit-definitely-better-bad-brexit/
https://ec.europa.eu/commission/sites/beta-political/files/guiding-principles-dialogue-ei-ni_en.pdf
https://www.bankofengland.co.uk/-/media/boe/files/report/2018/eu-withdrawal-scenarios-and-monetary-and-financial-stability.pdf?la=en&hash=B5F6EDCDF90DCC10286FC0BC599D94CAB8735DFB
https://ec.europa.eu/commission/sites/beta-political/files/outline_of_the_political_declaration.pdf