Система «Периметр» (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Система «Периметр»" in Ukrainian language version.

refsWebsite

Global rank Ukrainian rank

193^rd place

471^st place

wired.com

blog.wired.com

Keim, Brandon (7 September 2007), Soviet Doomsday Device Still Armed and Ready, Wired.