Title: Trudy Obʺedinennykh nauchnykh chteniĭ po kosmonavtike, posvi͡ashchennykh pami͡ati vydai͡ushchikhsi͡a sovetskikh uchenykh--pionerov osvoenii͡a kosmicheskogo prostranstva
Subjects: Astronautics, Congresses, History, Propulsion systems, Space vehicles
Places: Soviet Union