
https://www.opendemocracy.net/uk/sunny-hundal/millionaire-is-planning-to-spend-around-700000-to-target-pro-remain-mps-at-election?utm_source=Daily+Ne

https://www.gov.uk/government/publications/eu-exit-universities-research-and-innovation-stakeholder-working-group/terms-of-reference-and-membership-high-level-stakeholder-working-group-on-eu-exit-universities-research-and-innovation

http://www.guengl.eu/uploads/news-documents/Working_paper_Border_controls_on_cross_border_trade_in_goods.pdf