https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
https://cer.org.uk/sites/default/files/bulletin_114_js_st_article1.pdf
http://blogactiv.eu/blog/2012/05/15/stumbling-towards-the-brexit/
https://ec.europa.eu/commission/sites/beta-political/files/use-data-protection-information_en.pdf