http://blogactiv.eu/blog/2012/05/15/stumbling-towards-the-brexit/
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/224244/evidence-british-influence.pdf
https://ukandeu.ac.uk/energy-security-and-industrial-strategy-uk-and-eu-divergence/
https://sp-bpr-en-prod-cdnep.azureedge.net/published/2018/2/2/Common-UK-Frameworks-after-Brexit/SB%2018-09.pdf