Vitarbo, G. (2012). Army of the sky: Russian military aviation before the Great War, 1904-1914. Peter Lang.
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Chicago-čujuhus (17. p.)
Vitarbo, Gregory. Army of the Sky: Russian Military Aviation Before the Great War, 1904-1914. New York: Peter Lang, 2012.
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MLA-čujuhus (9. p.)
Vitarbo, Gregory. Army of the Sky: Russian Military Aviation Before the Great War, 1904-1914. Peter Lang, 2012.
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