https://www.brexitloket.nl/impactscan
https://ec.europa.eu/commission/sites/beta-political/files/draft_withdrawal_agreement.pdf
https://www.gov.uk/government/speeches/pm-commons-statement-on-eu-reform-and-referendum-22-february-2016
https://www.rand.org/pubs/research_reports/RR2200.html