https://meduza.io/feature/2019/07/30/dlya-menya-oni-predateli-kak-i-ya-dlya-nih
https://www.gazeta.ru/army/2019/07/25/12535669.shtml
https://lenta.ru/articles/2019/07/17/spy/
https://jamestown.org/program/losharik-submersible-disaster-handicaps-russian-naval-operations/
http://www.dsnews.ua/world/premer-aristokrat-pochemu-rossii-ne-svetit-poteplenie-08072019220000
https://jamestown.org/program/another-russian-sea-tragedy-unlearned-lessons-obscured-by-secrecy/
https://www.inopressa.ru/article/05Jul2019/spiegel/losharik.html
Nuclear unit aboard top-secret vessel ‘sealed off’ says minister after blaze that left 14 dead