Present problems concerning the structure and evolution of the galactic system : lecture notes : Nijenrode Castle, Breukelen, the Netherlands, July 28-August 16, 1960 - NUFFIC International Summer Course in Science (1960 : Breukelen, Nizozemsko); Stichting voor Internationale Samenwerking der Nederlandse Universiteiten en Hogescholen; Netherlands Univerisities Foundation for International Co-operation (NUFFIC) (The Hague : Netherlands Univerisities Foundation for International Co-operation (NUFFIC), 1960)
Keywords: galaxie; hvězdy; kosmogonie; cosmogony; cosmonogy; galaxies; stars