https://www.gazeta.ru/tech/2018/12/12/12092575/rkn_google.shtml
https://www.kommersant.ru/doc/3828087
https://www.vedomosti.ru/politics/articles/2018/12/12/789117-rossii-oskorbleniya-chinovnikov
Is US Army Artillery progressing toward being able to outrange and outgun Russian and Chinese weapons
http://www.rosbalt.ru/russia/2018/12/11/1752397.html
https://www.rbc.ru/newspaper/2018/12/11/5c09419b9a7947781ad3fa28
https://echo.msk.ru/blog/gudkov/2330947-echo/
https://www.rbc.ru/newspaper/2018/12/07/5c0919519a794768369f82c1