https://verfassungsblog.de/the-good-the-bad-and-the-ugly-2/
https://www.eca.europa.eu/Lists/ECADocuments/SR22_17/SR_External_consultants_EN.pdf
http://ukandeu.ac.uk/wp-content/uploads/2018/10/The-mechanics-of-a-further-referendum-on-Brexit-Constitution-Unit-Report-1.pdf
https://www.socialeurope.eu/why-young-voters-are-ignoring-mainstream-politics