https://www.inopressa.ru/article/16Sep2020/spiegel/nawalny.html
https://www.inopressa.ru/article/16Sep2020/wsj/nordstream.html
https://www.wsj.com/articles/pipeline-politics-tests-merkels-mettle-11600211323
https://www.inopressa.ru/article/15Sep2020/lefigaro/navalny2.html
https://www.inopressa.ru/article/15Sep2020/nytimes/navalny.html
https://www.nytimes.com/2020/09/14/world/europe/navalny-novichok.html