http://fedtrust.co.uk/our-work-on-europe/hard-brexit-international-trade-and-the-wto-scenario/
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
https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/421/421.pdf
https://www.niauk.org/media-centre/blog/uk-explore-retaining-membership-euratom/