Hannes Alfvén — The first seventy years Gustaf ArrheniusCarl-Gunne FälthammarZdeněk Kopal Announcement Pages: 2 - 5
The cosmogonical separation of matter and antimatter William B. Thompson OriginalPaper Pages: 15 - 23
On some observations of the thermal emission of iron flakes produced in a grinding wheel Y. Öhman OriginalPaper Pages: 39 - 47
Magnetic fields in galaxies as revealed by the polarization of light Aina Elvius OriginalPaper Pages: 49 - 57
A cometary ionosphere model for Io P. A. CloutierR. E. Daniell Jr.T. W. Hill OriginalPaper Pages: 93 - 112
On Alfvén's critical velocity for the interaction of a neutral gas with a moving magnetized plasma R. K. Varma OriginalPaper Pages: 113 - 124
The role of electrostatic instabilities in the critical ionization velocity mechanism M. A. Raadu OriginalPaper Pages: 125 - 138
Experimental investigation of the critical ionization velocity in gas mixtures Ingvar Axnäs OriginalPaper Pages: 139 - 146
Problems related to macroscopic electric fields in the magnetosphere Carl-Gunne Fälthammar OriginalPaper Pages: 179 - 201
Primordial metamorphism of asteroids via electrical induction in A T Tauri-like solar wind Floyd HerbertC. R. Sonett OriginalPaper Pages: 227 - 239
Fourier analysis of the light curves of eclipsing variables, XIV Zdeněk KopalOsman Demircan OriginalPaper Pages: 241 - 261
The pioneering investigations in the field of the interstellar molecules, 1935–1942 P. Swings BriefCommunication Pages: 263 - 265