00455nam a2200109Ia 4500 180412s9999||||xx |||||||||||||| ||und|| Ahmadu Bello University Library - Zaria Sokolsky, V. N. K. E. Tsiolkovsky Selected Works. compiled by V.N. Sokolsky, general editor Acad A.A. Blagonravov, translated from the Russian by G. Yankovsky Moscow Mir Publishers 1968 337p.: ill., diagr., table. Blagonravov, Acad A.A. 23349 23349