https://www.gazeta.ru/business/2020/12/18/13406450.shtml
http://www.kasparov.ru/material.php?id=5FDDF6FBAE17E
https://www.radiosvoboda.org/a/nord-stream-2-usa-ted-cruz/31007916.html
https://www.rbc.ru/newspaper/2020/12/18/5fdb58f29a79479522af0277
https://www.radiosvoboda.org/a/news-es-podovzhennya-dii-sanktsii/31005806.html
https://www.gazeta.ru/business/2020/12/17/13403726.shtml
https://www.bbc.com/russian/news-55354795