https://onlinelibrary.wiley.com/doi/10.1111/jcms.13415
https://www.ips-journal.eu/topics/european-integration/uniting-europes-distant-family-6734/
https://www.ipg-journal.de/regionen/europa/artikel/detail/macht-statt-moral-3554/
https://www.bloomberg.com/news/articles/2018-06-27/as-merkel-s-power-drains-the-threat-to-europe-grows?utm_medium=email&utm_source=newsletter&utm_term=180627&utm_campaign=bop