
https://www.globalwitness.org/en/campaigns/stop-russian-oil/one-year-western-companies-traded-384-million-barrels-russian-oil/

https://www.ceps.eu/wp-content/uploads/2021/03/PI2021-05_The-power-surplus.pdf

https://rusi.org/explore-our-research/publications/commentary/how-entanglement-china-erodes-germanys-strategic-autonomy