https://theconversation.com/the-election-wot-the-sun-and-the-rest-of-the-uk-tabloids-never-won-79208
http://blogs.lse.ac.uk/brexit/2017/08/11/book-review-shifting-baselines-of-europe/
https://theconversation.com/crisis-del-regimen-democratico-la-dominacion-de-los-partidos-politicos-en-espana-226276