Title: Trudy Obʺedinennykh nauchnykh chteniĭ, posvi͡ashchennykh pami͡ati vydai͡ushchikhsi͡a sovetskikh uchenykh--pionerov osvoenii͡a kosmicheskogo prostranstva
Subjects: Astronautics in astronomy, Congresses, Cosmic sciences, History, Space sciences
Places: Soviet Union