https://www.eca.europa.eu/Lists/ECADocuments/SR21_08/SR_Frontex_EN.pdf
https://www.brookings.edu/research/a-post-american-europe-and-the-future-of-u-s-strategy/
http://oegfe.at/wordpress/2017/05/oegfe-umfrage-oesterreicherinnen-wuenschen-sich-eine-flexible-und-effizientere-europaeische-union/
https://www.washingtonpost.com/world/europe/russian-submarines-are-prowling-around-vital-undersea-cables-its-making-nato-nervous/2017/12/22/d4c1f3da-e5d0-11e7-927a-e72eac1e73b6_story.html?utm_term=.e39e8fb9dafe