
https://theconversation.com/we-need-to-talk-about-chinese-and-us-influence-in-europes-energy-industry-227195

http://www.europeaninstitute.org/index.php/311-european-affairs/ea-october-2017/2242-as-chinese-investment-rises-in-europe-brussels-proposes-greater-scrutiny-of-foreign-purchases-of-eu-based-companies

https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32022R1925&from=EN