https://lawliberty.org/book-review/chinas-commercial-cunning/
https://www.elysee.fr/admin/upload/default/0001/11/8143fbb609fe8fa002cd7a36deccc1a219766cda.pdf
https://www.politico.eu/article/ukraine-warns-it-wont-negotiate-new-russian-gas-transit-deal/
https://data.consilium.europa.eu/doc/document/ST-6437-2022-INIT/fr/pdf