Decametric survey of discrete sources in the northern sky S. Ya. BraudeN. K. SharykinS. M. Zakcharenko OriginalPaper Pages: 1 - 64
The ultraviolet absorbance of presumably interstellar bacteria and related matters F. HoyleN. C. WickramasingheS. Al-Mufti OriginalPaper Pages: 65 - 78
Self-similar solutions for the blast wave problem in radiative gasdynamics, I J. B. SinghK. S. Singh OriginalPaper Pages: 79 - 85
Unsteady hydromagnetic free convection flow past an accelerated infinite vertical porous plate M. A. HossainA. C. Mandal OriginalPaper Pages: 87 - 95
The specific physical character of the expansion of the Universe Pavel Voráček OriginalPaper Pages: 103 - 121
DifferentialUBV photometry of the eclipsing binary SVS 2086 G. CiardoL. Del GiudiceL. Santillo OriginalPaper Pages: 123 - 129
The onset of shock wave in an electrically conducting and radiating gas A. KumarL. P. SinghR. Shyam OriginalPaper Pages: 131 - 137
Approximate rotation curve solutions for the evolution of a viscous protogalactic disk Wilbur K. Brown OriginalPaper Pages: 139 - 155
Line features from Cygnus X-1 and the Crab nebula in the energy range 30–270 keV Hiroyuki Watanabe OriginalPaper Pages: 157 - 169
Density perturbations in a two-fluid component Universe Xiang Shouping OriginalPaper Pages: 171 - 178
Long and short term variation of the 10.7 cm solar flux. The photospheric granules and the Zürich numbers John XanthakisConstantine Poulakos OriginalPaper Pages: 179 - 188
The ChandrasekharH-function for exponentially varying atmosphere M. H. HaggagH. M. Machali OriginalPaper Pages: 189 - 195
On the singularity in Rosen's bimetric theory of gravitation Armen V. SarkissianRoland M. AvakianVahagn T. Karapetian OriginalPaper Pages: 197 - 201
Generalized projection theorem for mapping with radio interferometers Kazimierz M. Borkowski Letters to the Editor Pages: 203 - 205
Electromagnetic mass model of a static charged perfect fluid sphere Demetrios D. Dionysiou Letters to the Editor Pages: 207 - 209