http://www.libdems.org.uk/brexit-challenge-justice#
https://www.socialeurope.eu/wp-content/uploads/2018/05/BP1-Devolution.pdf
http://www.bakermckenzie.com/-/media/files/insight/publications/brexit_tradeflows.pdf?la=en
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-goods-placed-market-under-union-law-withdrawal-date_en