https://www.socialeurope.eu/how-to-treat-german-democracys-malaise
http://blogs.lse.ac.uk/brexit/2018/11/23/hubert-butler-essay-prize-what-happened-to-europe-without-frontiers/
https://www.bloomberg.com/news/articles/2017-06-15/eu-citizens-want-a-brexit-style-vote-to-say-yes-to-staying?cmpid=BBBXT061617_BIZ&utm_medium=email&utm_source=newsletter&utm_term=170616&utm_campaign=brexit
https://www.ips-journal.eu/topics/foreign-and-security-policy/a-message-of-disunity-7363/