https://www.radiosvoboda.org/a/news-naftogaz-tranzyt-kontrakt/30332731.html
https://ru.krymr.com/a/putin-i-destabilizacia-v-krymu-i-evrope/30327734.html
https://www.kommersant.ru/doc/4196348
https://www.radiosvoboda.org/a/ssha-rosija-sno-iii/30325858.html
http://nvo.ng.ru/realty/2019-12-13/5_1074_catastrophe.html
https://www.radiosvoboda.org/a/30318455.html
https://www.radiosvoboda.org/a/news-zelensky-putin/30318446.html
https://lenta.ru/articles/2019/12/07/drsmd/