https://s3.eu-central-1.amazonaws.com/euobs-media/59f9f4116a089cec71bf81b76413503a.pdf
https://www.socialeurope.eu/when-never-again-becomes-again-and-again
http://uk.reuters.com/article/uk-britain-eu-immigration-idUKKBN18L0XG
https://www.socialeurope.eu/2017/05/smooth-brexit-interests-germany-much-uk/