http://fedtrust.co.uk/our-work-on-europe/hard-brexit-international-trade-and-the-wto-scenario/
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/642542/Science_and_innovation_paper.pdf
https://committees.parliament.uk/publications/40412/documents/197199/default/
https://www.gov.uk/government/news/david-davis-concludes-visit-to-estonia