https://www.ecb.europa.eu/press/key/date/2017/html/ecb.sp170524.en.html
https://www.aspistrategist.org.au/germanys-weakness-is-bad-for-europe/
https://www.socialeurope.eu/sps-snatching-renewal-jaws-defeat
https://theconversation.com/radicalizacion-violenta-similitudes-y-diferencias-en-la-evolucion-del-ira-y-eta-196509