https://www.lamoncloa.gob.es/consejodeministros/resumenes/Documents/2022/PAN%20202.pdf
http://berlinpolicyjournal.com/detour-deurope/
http://en.euabc.com/upload/rfConstitution_en.pdf
https://www.ipg-journal.de/rubriken/europaeische-integration/artikel/maechtig-maechtiger-eu-kommission-6567/