https://fta.co.uk/media/press-releases/2018/july/positive-reception-for-brexit-white-paper-from-log
https://policyexchange.org.uk/wp-content/uploads/2017/06/Defying-Gravity-A-critique-of-estimates-of-the-economic-impact-of-Brexit.pdf
https://ec.europa.eu/commission/sites/beta-political/files/draft_withdrawal_agreement.pdf
http://www.assemblee-nationale.fr/14/pdf/rap-info/i4485.pdf