История воздухоплавания и авиации в России: Период до 1914 г.

История воздухоплавания и авиации в России: Период до 1914 г.

1995 · 85.84 MB · Russian
by П. Д. Дузь
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“ You're not going to master the rest of your life in one day. Just relax. Master the day. Than just keep doing that every day. ” ― Anonymous
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