(en) Lester W. Grau et Charles K. Bartles, The Russian Way of War : Force structure, tactics, and modernization of the Russian Ground Forces, Fort Leavenworth, Foreign Military Studies Office, (lire en ligne [PDF]), p. 32.
kyivindependent.com
(en) Illia Ponomarenko, « EXCLUSIVE: Voice message reveals Russian military unit's catastrophic losses in Ukraine », The Kyiv Independent, (lire en ligne, consulté le )