Tsiolkovsky, K. E.
Selected works / K. E. Tsiolkovsky - Moscow : Mir Press, 1968. - 338 p.
Includes Index
Economic history
Economic policy
338.951 T882S 1968
Selected works / K. E. Tsiolkovsky - Moscow : Mir Press, 1968. - 338 p.
Includes Index
Economic history
Economic policy
338.951 T882S 1968