File:CNN – Russian 2S1 122mm variants in Crimea on 28 Febuary 2014.png


 * Source
 * CNN, Feb 28, 2014
 * Screenshot: Russian Invasion of Ukraine – Ukrainian Policy, March 4, 2014
 * Jon Passantino ‏@passantino – March 1, 2014: ''CNN airing new image of Russian tanks in Ukraine
 * Hours after Moscow vote, Ukraine claims Russian troops arriving – KTSM, March 1, 2014