On the surface distribution of chemical anomalies of Ap stars in spectroscopic binary systems M. Kitamura OriginalPaper Pages: 283 - 294
Origin of cosmic rays: Galactic models with halo V. L. GinzburgYa. M. KhazanV. S. Ptuskin OriginalPaper Pages: 295 - 314
The chemical composition and structure of 30 Doradus G. O. BoeshaarP. C. BoeshaarB. M. Lasker OriginalPaper Pages: 335 - 346
On the election of the flat metric in the bimetric theory of gravitation Roland M. AvakianEdward V. ChubarianArmen V. Sarkissian OriginalPaper Pages: 347 - 353
Radial distribution of types I and II supernovae in spiral and elliptical galaxies O. H. GuseinovF. K. KasumovE. V. Kalinin OriginalPaper Pages: 385 - 392
Local galactic field of forces and the interstellar matter R. J. Quiroga OriginalPaper Pages: 393 - 422
Close binary systems before and after mass transfer: A comparison of observations and theory J. P. De GrèveD. Vanbeveren OriginalPaper Pages: 433 - 457
A note on the post-explosion gas depletion in the central region of normal spiral galaxies T. Bhattacharyya OriginalPaper Pages: 459 - 467
Propagation of plane relativistic shock waves in a slowly moving medium T. K. Chakraborty OriginalPaper Pages: 469 - 474
Self-similar solutions and their stability for the flow of relativistic fluids through channels I. LerchePaul J. Wiita OriginalPaper Pages: 475 - 485
Low-frequency radiation from a particle falling into a Kerr black hole I. G. DymnikovaA. K. Popov Letter to the Editor Pages: 487 - 494
A note on the stability of one-dimensional self-gravitating isothermal systems J. KatzM. Lecar Letter to the Editor Pages: 495 - 497
The identification of the 3μ spectral feature in galactic infrared sources F. HoyleC. Wickramasinghe Letter to the Editor Pages: 499 - 503
The 2200 Å extinction hump and porous graphite grains A. BlancoA. BorghesiS. Fonti Letter to the Editor Pages: 505 - 508
The predicted infrared spectrum of ZrO and its possible presence in S stars P. S. Murty Letter to the Editor Pages: 513 - 518
On the pre-supernova parameters of the Hercules X-1 system P. Bouwman Letter to the Editor Pages: 525 - 531