http://www.kormany.hu/download/d/2b/21000/JunckerJean-Claude%2020170906.pdf
https://www.destatis.de/DE/PresseService/Presse/Pressemitteilungen/2017/08/PD17_261_12511pdf.pdf?__blob=publicationFile
http://www.dw.com/en/eastern-european-migrants-in-the-uk-face-growing-hostility/a-19562199