Some problems in gamma and X-ray astronomy V. L. GinzburgS. I. Syrovatskij OriginalPaper Pages: 267 - 312
The helium nuclei of the primary cosmic radiation as studied over a solar cycle of activity, interpreted in terms of electric field modulation P. S. FreierC. J. Waddington OriginalPaper Pages: 313 - 372
On electromagnetic effects in the neighbourhood of a satellite or a vehicle moving in the ionosphere or interplanetary space Ja. L. Al'pert OriginalPaper Pages: 373 - 415
