https://www.inopressa.ru/article/29May2020/nytimes/gru.html
https://www.nytimes.com/2020/05/28/us/politics/nsa-russian-hack.html
https://www.kommersant.ru/doc/4349277
https://ru.krymr.com/a/chto-proishodit-v-prage-posle-ricinovogo-skandala/30620133.html
https://www.inopressa.ru/article/08May2020/lemonde/fleet.html
https://www.radiosvoboda.org/a/30592588.html
https://jamestown.org/program/the-political-dimension-of-russias-spy-games-in-ukraine/