Title: Trudy devi͡atykh Chteniĭ, posvi͡ashchennykh razrabotke nauchnogo nasledii͡a i razvitii͡u ideĭ K.Ė. T͡Siolkovskogo
Subjects: Astronautics, Congresses, Philosophy
People: K. T︠S︡iolkovskiĭ (1857-1935)