Magneto-gravitational instability and suspended particles R. C. Sharma OriginalPaper Pages: 255 - 259
Determination of the elements of eclipsing variables, RW Gem and AY Cam, by Fourier analysis of their light changes Hamid M. K. Al-Naimiy OriginalPaper Pages: 261 - 284
A classification of galactic collisions K. Shankara SastrySaleh Mohamed Alladin OriginalPaper Pages: 285 - 291
The formation of the atmospheres of the terrestrial planets by impact A. BenlowA. J. Meadows OriginalPaper Pages: 293 - 300
Estimate of the limiting standard deviation in the absolute timing of periodic sources L. RusconiG. Sedmak OriginalPaper Pages: 301 - 308
Density wave-star interaction in the theory of spiral galaxies E. Evangelidis OriginalPaper Pages: 309 - 319
Substructure in clusters of galaxies: A clue to the ‘missing’ mass? P. S. WessonAksel Lermann OriginalPaper Pages: 327 - 334
A hypothesis to explain the virial discrepancy in clusters of galaxies P. S. WessonAksel Lermann OriginalPaper Pages: 335 - 339
Equilibrium figures with a magnetic field N. P. BondarenkoO. V. Kravtsov OriginalPaper Pages: 341 - 356
The ultraviolet absorption band at 2175 Å: Correlations with other interstellar features J. DorschnerC. FriedemannJ. Gürtler OriginalPaper Pages: 357 - 369
Monochromatic photographs of giantHii regions in the Magellanic Clouds Stanley J. CzyzakLawrence H. Aller OriginalPaper Pages: 371 - 378
The ultraviolet spectra of four binaries observed with the S59 spectrometer Tibor J. HerczegYoji KondoKarel A. Van der Hucht OriginalPaper Pages: 379 - 387
Charged particle transport in turbulent magnetic fields: The perpendicular diffusion coefficient I. H. Urch OriginalPaper Pages: 389 - 406
Analysis of the light curves of SZ Cam using automatized fourier techniques E. Budding OriginalPaper Pages: 407 - 428
A search for steep low-frequency radio spectra among quasars and clusters of galaxies B. N. G. Guthrie OriginalPaper Pages: 429 - 441
Some considerations concerning the Zeeman effect in magnetic stars M. J. Stift OriginalPaper Pages: 465 - 469
A new large supernova remnant in the southern sky? J. MeaburnP. Rovithis Letter to the Editor Pages: L7 - L10
The effects of diverging coronal fields on the solar wind expansion H. J. FahrH. W. RipkenM. K. Bird Letter to the Editor Pages: L11 - L13
Significance of a conclusive test of Dirac's Large Numbers hypothesis using precision ranging to Mars J. L. Hughes Letter to the Editor Pages: L15 - L18
On the lifetime of bright X-ray sources P. R. AmnuelO. H. Guseinov Letter to the Editor Pages: L19 - L21
On the influence of massless scalar and vector electromagnetic fields on the singularity character in anisotropic cosmology V. A. Ruban Letter to the Editor Pages: L23 - L28