https://ec.europa.eu/commission/commissioners/2014-2019/andriukaitis/blog/likening-eu-ussr-not-unreasonable_en
https://futurion.se/wp-content/uploads/2022/09/futurion-rapport-bortom-verklighetsbilden-2022-eng-rev-lowres.pdf
https://www.chba.org.uk/for-members/library/overseas-seminars/the-status-of-gibraltar-under-eu-law