https://www.socialeurope.eu/wp-content/uploads/2019/01/03_Brexit_Kroeger.pdf
https://blogs.lse.ac.uk/europpblog/2023/10/31/the-colonial-origins-of-european-integration/
https://www.ipg-journal.de/rubriken/europaeische-integration/artikel/maechtig-maechtiger-eu-kommission-6567/