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igor ivanovich sikorskii
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Vozdushnyĭ putʹ
Igorʹ Ivanovich Sikorskiĭ, Sikorsky, Igor Ivan · Russkiĭ putʹ, YMCA-Press
191 sayfa · 1998
Aeronautics / Aeronautical engineers / Biography / History / Sikorsky, Igor Ivan, -- 1889-1972.