https://www.ips-journal.eu/topics/democracy-and-society/the-berlin-blob-7462/
https://capx.co/power-sharing-is-returning-to-stormont-but-thats-no-guarantee-of-stability/
https://www.brookings.edu/articles/the-compounding-rule-of-law-crisis/
http://www.elperiodico.com/es/politica/20171226/que-es-tabarnia-propuesta-secesion-barcelona-tarragona-resto-cataluna-6517873