https://www.ucl.ac.uk/european-institute/analysis/2016-17/poulsen-investment-policy
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/831B39F76C7870B330052D852D598F98/9781108843126AR.pdf/Constitutional_Challenges_in_the_Algorithmic_Society.pdf?event-type=FTLA
http://blogs.lse.ac.uk/brexit/2018/11/23/hubert-butler-essay-prize-what-happened-to-europe-without-frontiers/
http://cer.eu/sites/default/files/report_relaunching_eu_nov17.pdf