https://www.brookings.edu/articles/russia-ukraine-and-organized-crime-and-illicit-economies-in-2024/
https://www.globalwitness.org/en/campaigns/stop-russian-oil/shell-vitol-bring-russian-origin-diesel-europe-despite-swearing-russian-oil/
https://www.iidh.ed.cr/derecho-informacion/media/1079/acuerdoescazu.pdf
https://www.bruegel.org/policy-brief/eu-can-manage-without-russian-liquified-natural-gas