https://en.wikipedia.org/wiki/China%E2%80%93Russia_relations
https://asia.nikkei.com/Politics/International-relations/Russia-up-in-arms-over-Chinese-theft-of-military-technology
https://en.wikipedia.org/wiki/Sino-Vietnamese_War
https://en.wikipedia.org/wiki/AirLand_Battle
https://www.globalfirepower.com/countries-comparison-detail.php?country1=russia&country2=china