http://blogs.lse.ac.uk/brexit/2018/01/30/svexit-or-huxit-how-another-country-could-follow-the-uk-out-of-the-eu/
https://www.domainepublic.ch/articles/34132?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+domainepublicrss+%28Domaine+Public%29
http://wir2018.wid.world/files/download/wir2018-summary-french.pdf