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https://www.finanz.ru/novosti/birzhevyye-tovary/v-rossii-nachala-padat-dobycha-nefti-1031070986
https://www.bbc.com/russian/features-59817247
https://www.bbc.com/russian/news-59815965
https://www.rbc.ru/newspaper/2021/12/29/619f93a29a79479fd98185b7
https://carnegie.ru/2021/12/27/ru-pub-86088
https://www.rbc.ru/newspaper/2021/12/24/61c42af29a79474d8a0adb28