
http://www.aviationlaw.eu/wp/wp-content/uploads/2013/09/Freedoms-of-the-Air-Explained.pdf

http://news.sky.com/story/jp-morgan-to-move-hundreds-of-uk-jobs-ahead-of-brexit-10861561

https://ec.europa.eu/commission/sites/beta-political/files/guiding-principles-dialogue-ei-ni_en.pdf