
http://www.elperiodico.com/es/politica/20171226/que-es-tabarnia-propuesta-secesion-barcelona-tarragona-resto-cataluna-6517873

https://www.socialeurope.eu/spo-how-not-to-run-a-leadership-contest

https://www.ipg-journal.de/rubriken/aussen-und-sicherheitspolitik/artikel/bruesseler-grossmachtphantasien-3891/