En
Ru| Description |
Additional technical data to the construction of a metal shell without an expensive shipyard.The review of the Ledenetsi Society about my airship / Tsiolkovsky K.E. - Kaluga: Type.S. A. Semenova, 1915. -.Electronic copy source: GPNTB of Russia
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| Publisher | Калуга : Тип. С. А. Семенова |