https://www.ips-journal.eu/topics/foreign-and-security-policy/the-franco-german-bone-of-contention-6604/?utm_campaign=en_1084_20230327&utm_medium=email&utm_source=newsletter
http://www.progressives-zentrum.org/wp-content/uploads/2018/10/Les-Oubliés-Entretiens-sur-les-terres-où-prospère-le-vote-extrême_Das-Progressive-Zentrum_Johannes-Hillje.pdf
https://www.ceps.eu/will-putins-war-in-ukraine-make-the-eu-stronger/