https://www.kommersant.ru/doc/4250687
https://www.pewresearch.org/global/2020/02/09/nato-seen-favorably-across-member-states/
http://nvo.ng.ru/nvo/2020-02-09/100_200209news2.html
https://www.gazeta.ru/politics/2020/02/08_a_12950569.shtml
https://www.gazeta.ru/army/2020/02/08/12950497.shtml
https://www.gazeta.ru/army/2020/02/06/12946759.shtml
https://www.gazeta.ru/politics/2020/02/05_a_12945877.shtml