https://www.socialeurope.eu/why-it-seems-east-germany-is-everywhere
https://economy-finance.ec.europa.eu/system/files/2022-07/ip180_en.pdf
https://www.jean-jaures.org/publication/accord-de-bougival-les-difficultes-de-trouver-le-chemin-vers-le-nous-en-nouvelle-caledonie/?post_id=70117&export_pdf=1
https://www.opendemocracy.net/can-europe-make-it/kieran-oberman/does-catalonia-have-right-to-secede?utm_source=Daily+Newsletter&utm_campaign=9960ef2d4f-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-9960ef2d4f-407405485