http://www.assemblee-nationale.fr/14/pdf/rap-info/i4551.pdf
http://theconversation.com/eu-agencies-a-brexit-loss-nobodys-talking-about-76222
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/695321/An_inspection_of_exit_checks.pdf
http://blogs.lse.ac.uk/brexit/2017/05/31/eu-migrants-going-home-with-skills-acumen-and-higher-expectations/