Line formation in spherical media with partial frequency redistribution A. Peraiah OriginalPaper Pages: 267 - 277
The extension of the concept of the cosmic-ray path-length distribution to nonrelativistic energies J. A. Lezniak OriginalPaper Pages: 279 - 293
General integral transform of the exponential integrals Mohamed Adel Sharaf OriginalPaper Pages: 295 - 317
Light and colour curve observations and analysis of the short period eclipsing binary system UV Psc Aziz R. Sadik OriginalPaper Pages: 319 - 349
Analysis of the light curves of SX Aurigae, by automated fourier techniques Huseyin Alkan OriginalPaper Pages: 351 - 361
Sur la spectrophotometrie avec tube image des raies faibles en emission R. Duflot OriginalPaper Pages: 363 - 368
The nature of the solar activity and its relation to solar cosmic-ray production Kunitomo Sakurai OriginalPaper Pages: 369 - 378
On the non-linear relationships between N(CaII), N(KI) and N(H) D. Giaretta OriginalPaper Pages: 379 - 387
The effect of increasing helium content and disk dwarfs evolution on the chemical enrichment of the Galaxy R. Caimmi OriginalPaper Pages: 389 - 403
Electromagnetic radiation from line sources interacting with a moving uniaxial dielectric or plasma half-space D. S. MannP. K. Mukherjee OriginalPaper Pages: 405 - 417
The velocity field in hydromagnetic oscillatory flow past an impulsively started porous limiting surface with variable suction G. A. GeorgantopoulosC. N. DouskosG. A. Katsiaris OriginalPaper Pages: 419 - 438
On the analysis of lunar occultations of point-like X-ray sources E. Born OriginalPaper Pages: 439 - 455
Optimization of lunar occultations for determining the positions of point-like X-ray sources E. BornH. Debrunner OriginalPaper Pages: 457 - 465
The system WY Cnc and derivation of absolute information at the lower end of the Main Sequence N. S. AwadallaE. Budding OriginalPaper Pages: 479 - 489
Free convection effects on the oscillatory flow in the Stokes's problem past an infinite porous vertical limiting surface with constant suction — I G. A. Georgantopoulos OriginalPaper Pages: 491 - 501
Electromagnetic lower hybrid instability driven by solar wind heat flux G. S. Lakhina OriginalPaper Pages: 511 - 516
Cosmic gamma-ray burst from intergalactic relativistic dust grains Ajoy Kumar Dasgupta OriginalPaper Pages: 517 - 523