https://novayagazeta.ru/articles/2022/02/23/evropa-budet-vydavat-sanktsii-portsiiami
https://www.ng.ru/economics/2022-02-20/4_8376_gas.html
https://www.bbc.com/russian/features-60419032
https://foreignpolicy.com/2022/02/18/russia-ukraine-arrest-assassination-invasion/