1. Luni-solar perturbations of an Earth satellite

   • A. E. Roy

   OriginalPaper Pages: 375 - 386

2. Approximate spectral analysis by least-squares fit

   • Petr Vaníček

   OriginalPaper Pages: 387 - 391

3. Nova Vulpeculae 1968 No. 2 (Kohoutek)

   • L. Rosino
   • G. Chincarini
   • A. Mammano

   OriginalPaper Pages: 392 - 400

4. The interpretation of hydrogen radio recombination lines

   • J. E. Dyson

   OriginalPaper Pages: 401 - 416

5. Some comments on the paper ‘moments of inertia and gravity field of the moon’ by C. L. Goudas

   • Paul Melchior

   Research Note Pages: 417 - 418

6. The effect of electron scattering on curves of growth

   • Jeffrey D. Rosendhal

   OriginalPaper Pages: 419 - 426

7. The precession and nutation of deformable bodies, III

   • Zdenêk Kopal

   OriginalPaper Pages: 427 - 458

8. Effect of various cross-section energy dependences in calculations of cosmological viscosity

   • Richard A. Matzner

   OriginalPaper Pages: 459 - 463

9. Coherent mechanisms of radio emission and magnetic models of pulsars

   • V. L. Ginzburg
   • V. V. Zheleznyakov
   • V. V. Zaitsev

   OriginalPaper Pages: 464 - 504

10. Abstracts of forthcoming papers

    Abstract Pages: 505 - 508