Title: Trudy devi͡atykh Chteniĭ, posvi͡ashchennykh razrabotke nauchnogo nasledii͡a i razvitii͡u ideĭ K.Ė. T͡Siolokovskogo
Subjects: Aeronautics, Congresses
People: K. T͡Siolkovskiĭ (1857-1935)