https://blogs.sussex.ac.uk/uktpo/2018/12/17/organising-the-second-referendum/
https://www.opendemocracy.net/can-europe-make-it/andreas-rahmatian/eu-as-britain-s-constitutional-stabiliser?utm_source=Daily+Newsletter&utm_campaign=8d26251e8d-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-8d26251e8d-407405485
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/699106/UK_position_paper_on_future_of_cohesion_policy_.pdf