https://reutersinstitute.politics.ox.ac.uk/sites/default/files/2020-06/DNR_2020_FINAL.pdf
https://www.occrp.org/en/storykillers/eliminalia-a-reputation-laundromat-for-criminals
https://www.eca.europa.eu/Lists/ECADocuments/SR23_03/SR_Energy_Union_EN.pdf
https://sipri.org/sites/default/files/2017-09/yb17-summary-eng.pdf