Title: Trudy desi︠a︡tykh i odinnadt︠s︡atykh Chteniĭ, posvi︠a︡shchennykh razrabotke nauchnogo nasledii︠a︡ i razvitii︠u︡ ideĭ K.Ė. T︠S︡iolkovskogo, Kaluga, 1975, 1976 gg
Subjects: Astronautics, Congresses
People: K. T︠S︡iolkovskiĭ (1857-1935)