https://ec.europa.eu/info/sites/info/files/com-2018-890-final.pdf
http://www.coggs.polis.cam.ac.uk/news/forum-on-geopolitics-triple-bill-on-brexit
https://www.parliament.uk/documents/lords-committees/eu-select/Third-Interparliamentary-Forum-on-Brexit-statement.pdf
https://www.sbs.strath.ac.uk/economics/fraser/20171129/GMB-Brexit-report.pdf