https://ecipe.org/wp-content/uploads/2024/02/ECI_OccasionalPaper_01-2024_LY06.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmpubacc/401/401.pdf
https://www.news.admin.ch/de/nsb?id=83705
https://www.ui.se/globalassets/ui.se-eng/publications/sceeus/russia-china-energy-relations-since-24-february.pdf