https://www.eca.europa.eu/Lists/ECADocuments/SR22_17/SR_External_consultants_EN.pdf
http://www.ips-journal.eu/topics/european-union/article/show/eu-assurance-co-2037/
https://www.econstor.eu/bitstream/10419/283282/1/1877510009.pdf
https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-globalisation_en.pdf