https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/699106/UK_position_paper_on_future_of_cohesion_policy_.pdf
https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/15/15.pdf
https://www.waz.de/politik/gabriel-brexit-vertrag-als-modell-fuer-eu-tuerkei-beziehung-id212938393.html