Exploration of the world spaces by reactive devices: (reprinting works of 1903 and 1911 with some changes and additions) / K. Tsiolkovsky. - Kaluga: 1st Guest. GSNH, 1926. - 128 p. : tab. ; 16 cm. - Without tit. l. - "Scientists working on the problem of space flight": p. 126-127
1. Open space (collection). 2. The people (the collection). 3. Outer space - Research - Apparatuses and instruments.