Title: Trudy sedʹmykh, vosʹmykh i devi͡atykh Chteniĭ, posvi͡ashchennykh razrabotke nauchnogo nasledii͡a i razvitii͡u ideĭ K.Ė. T͡Siolkovskogo, Kaluga, senti͡abrʹ 1972-1974 gg
Subjects: Technological forecasting, Congresses, Astronautics
People: K. T͡Siolkovskiĭ (1857-1935)