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http://www.ips-journal.eu/topics/european-union/article/show/eu-assurance-co-2037/
https://www.boeckler.de/pdf/p_imk_study_55_2017.pdf
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Ouvrage_complet_vdef.pdf
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Synthese.pdf
https://ec.europa.eu/commission/sites/beta-political/files/globalisation-adjustment-fund-factsheet_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-globalisation_en.pdf
http://www.ecb.europa.eu/pub/pdf/other/ebart201703_01.en.pdf
https://www.greatbritishpolitics.co.uk/europe/654-dual-nationality-and-the-hurdles-facing-britons-who-want-to-keep-eu-citizenship-after-brexit.html