https://visegradinsight.eu/moderate-reactivation-weimar-triangle/
https://ec.europa.eu/commission/commissioners/2014-2019/andriukaitis/blog/likening-eu-ussr-not-unreasonable_en
https://www.parlament.cat/document/cataleg/48146.pdf
http://blogs.lse.ac.uk/europpblog/2018/04/06/a-global-agenda-for-labour/