Influence of cosmic rays on propagation of long magneto hydrodynamic waves V. S. Ptuskin OriginalPaper Pages: 265 - 278
Decametric survey of discrete sources S. Ya. BraudeA. P. MiroshnitchenkoN. K. Sharykin OriginalPaper Pages: 279 - 299
Linear wave conversion processes in the theory of the proton whistler Robert J. Stéfant OriginalPaper Pages: 301 - 328
The helium content of the peculiar Oosterhoff type I globular cluster ω Centauri Filippina Caputo OriginalPaper Pages: 329 - 339
A tentative evolutionary sequence for carbon stars derived from circumstellar shell parameters E. BussolettiL. RossiA. Borghesi OriginalPaper Pages: 341 - 349
Ubvr light curves of 44i Bootis during 1978 Peter RovithisH. Rovithis-Livaniou OriginalPaper Pages: 351 - 362
Invariant mass approach to the spiral structure of galaxies K. O. Thielheim OriginalPaper Pages: 363 - 370
Element separation in a plasma-gas transition layer A. NocentiniF. Engelmann OriginalPaper Pages: 371 - 383
Radio search for pulsed emission from X-ray pulsars F. S. Delli SantiF. DelpinoG. Morigi OriginalPaper Pages: 385 - 389
Thermodynamical and dynamical evolution of a self-gravitating object and the influence of ionization A. Di FazioF. Palla OriginalPaper Pages: 391 - 415
An interpretation of the SS433 phenomenon G. W. Collins IIG. H. NewsomR. N. Boyd OriginalPaper Pages: 417 - 440
A new method for exact solution of transfer equations in finite media Rabindra Nath Das OriginalPaper Pages: 441 - 463
The formation of a ring galaxy during a head-on collision between a disk and a spherical galaxy Tapan K. Chatterjee OriginalPaper Pages: 491 - 502
On the evaluation of the photometric proximity effects of close eclipsing systems P. G. Niarchos OriginalPaper Pages: 503 - 511
A search for carbon stars in the AFGL catalogue A. AltamoreE. BussolettiL. Rossi Errata Pages: 513 - 513