http://www.dsnews.ua/politics/slava-rabinovich-kak-tolko-putin-perestaet-byt-glavoy-06122018220000
https://www.gazeta.ru/army/2018/12/18/12099847.shtml
https://www.novayagazeta.ru/articles/2018/12/18/78968-bolshoy-kommercheskiy-terror
https://www.gazeta.ru/social/2018/12/17/12097393.shtml
https://www.kommersant.ru/doc/3828355
Is US Army Artillery progressing toward being able to outrange and outgun Russian and Chinese weapons
https://www.rbc.ru/newspaper/2018/12/11/5c09419b9a7947781ad3fa28
https://www.rbc.ru/newspaper/2018/12/07/5c0919519a794768369f82c1