https://www.europapolitik.ch/blog/innovation-braucht-vernetzung-mit-matthias-leuenberger
https://www.globalwitness.org/en/campaigns/stop-russian-oil/shell-vitol-bring-russian-origin-diesel-europe-despite-swearing-russian-oil/
https://www.fsb.org/wp-content/uploads/P131020-1.pdf
https://www.swiss-solidarity.org/fileadmin/user_upload/Qui_sommes-nous/Publications/EN/Annual_reports/2024_Annual_Report.pdf