
https://www.niauk.org/media-centre/blog/uk-explore-retaining-membership-euratom/

https://www.bloomberg.com/news/articles/2019-09-11/world-s-oldest-customs-union-and-u-k-reach-a-post-brexit-deal

https://bdi.eu/media/pressecenter/#/artikel/news/brexit-wirft-seine-schatten-voraus/