https://www.rbc.ru/newspaper/2021/12/24/61c34e3f9a79470ec7ba9221
https://www.ng.ru/armies/2021-12-21/2_8332_missile.html
https://ru.krymr.com/a/rossiya-zapad-nato-ukraina-naprayzhennost-vtorzheniye-ugroza/31614512.html
https://www.bbc.com/russian/news-59691037
https://www.ng.ru/world/2021-12-17/100_mir17122021.html
https://www.ng.ru/world/2021-12-17/100_docs17122021.html
https://theins.ru/history/247176