I, Solar radio noise registrations on 200 Mc/s, 1958-59
by the staff of the Institute. II, The 200 Mc/s Radio Telescope of the Solar Observatory / by Gunnar Eriksen. III, Frequency spectra of solar noise storm bursts in the 200 Mc/s range / by Øystein Elgarøy. IV, Interferometer observations on 200 Mc/s / by Per Maltby. V, A modified scheme of tabulation of solar radio noise data / by Kjell Brekke. VI, Solar photography in Hα-light, 1958-59 / by the staff of the Institute
Bok Engelsk 1961