1. Magneto-gravitational instability and suspended particles

   • R. C. Sharma

   OriginalPaper Pages: 255 - 259

2. 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

3. A classification of galactic collisions

   • K. Shankara Sastry
   • Saleh Mohamed Alladin

   OriginalPaper Pages: 285 - 291

4. The formation of the atmospheres of the terrestrial planets by impact

   • A. Benlow
   • A. J. Meadows

   OriginalPaper Pages: 293 - 300

5. Estimate of the limiting standard deviation in the absolute timing of periodic sources

   • L. Rusconi
   • G. Sedmak

   OriginalPaper Pages: 301 - 308

6. Density wave-star interaction in the theory of spiral galaxies

   • E. Evangelidis

   OriginalPaper Pages: 309 - 319

7. Cosmic rays and ancient planetary magnetic fields

   • Paul S. Wesson

   OriginalPaper Pages: 321 - 326

8. Substructure in clusters of galaxies: A clue to the ‘missing’ mass?

   • P. S. Wesson
   • Aksel Lermann

   OriginalPaper Pages: 327 - 334

9. A hypothesis to explain the virial discrepancy in clusters of galaxies

   • P. S. Wesson
   • Aksel Lermann

   OriginalPaper Pages: 335 - 339

10. Equilibrium figures with a magnetic field

    • N. P. Bondarenko
    • O. V. Kravtsov

    OriginalPaper Pages: 341 - 356

11. The ultraviolet absorption band at 2175 Å: Correlations with other interstellar features

    • J. Dorschner
    • C. Friedemann
    • J. Gürtler

    OriginalPaper Pages: 357 - 369

12. Monochromatic photographs of giantHii regions in the Magellanic Clouds

    • Stanley J. Czyzak
    • Lawrence H. Aller

    OriginalPaper Pages: 371 - 378

13. The ultraviolet spectra of four binaries observed with the S59 spectrometer

    • Tibor J. Herczeg
    • Yoji Kondo
    • Karel A. Van der Hucht

    OriginalPaper Pages: 379 - 387

14. Charged particle transport in turbulent magnetic fields: The perpendicular diffusion coefficient

    • I. H. Urch

    OriginalPaper Pages: 389 - 406

15. Analysis of the light curves of SZ Cam using automatized fourier techniques

    • E. Budding

    OriginalPaper Pages: 407 - 428

16. A search for steep low-frequency radio spectra among quasars and clusters of galaxies

    • B. N. G. Guthrie

    OriginalPaper Pages: 429 - 441

17. Ovi and Heii emission lines in the spectra of quasars

    • Y. P. Varshni

    OriginalPaper Pages: 443 - 464

18. Some considerations concerning the Zeeman effect in magnetic stars

    • M. J. Stift

    OriginalPaper Pages: 465 - 469

19. ОБ ионизации межзвездного магния

    • Г. А. Гурзадян

    OriginalPaper Pages: 471 - 484

20. On the ionization of interstellar magnesium

    • G. A. Gurzadyan

    OriginalPaper Pages: 485 - 497

21. Stochastic simulation of fields of galaxies

    • R. J. Dodd

    OriginalPaper Pages: 499 - 506

22. A new large supernova remnant in the southern sky?

    • J. Meaburn
    • P. Rovithis

    Letter to the Editor Pages: L7 - L10

23. The effects of diverging coronal fields on the solar wind expansion

    • H. J. Fahr
    • H. W. Ripken
    • M. K. Bird

    Letter to the Editor Pages: L11 - L13

24. 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

25. On the lifetime of bright X-ray sources

    • P. R. Amnuel
    • O. H. Guseinov

    Letter to the Editor Pages: L19 - L21

26. 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