https://www.ng.ru/armies/2021-12-24/11_8335_army5.html
https://www.rbc.ru/newspaper/2021/12/24/61c42af29a79474d8a0adb28
https://nvo.ng.ru/nvo/2021-12-23/2_1171_nvoweek.html
https://www.ng.ru/armies/2021-12-21/2_8332_missile.html
https://www.kommersant.ru/doc/5141673
https://edition.cnn.com/2021/12/19/politics/joe-biden-russia-ukraine-obama-2014/index.html
https://www.bbc.com/russian/features-59676617
https://novayagazeta.ru/articles/2021/12/17/napadete-nakazhem