https://rm.coe.int/ad-hoc-report-on-romania-rule-34-adopted-by-greco-at-its-79th-plenary-/16807b7717
https://ec.europa.eu/info/sites/info/files/opinion_of_the_iec_on_17_06_19_en.pdf
https://www.brookings.edu/articles/are-convention-delegates-bound-to-their-presidential-candidate/
https://www.ipg-journal.de/rubriken/europaeische-integration/artikel/maechtig-maechtiger-eu-kommission-6567/