The activity of stellar aggregates and the origin of cosmic rays G. A. Gurzadyan OriginalPaper Pages: 213 - 231
Modulation patterns of astronomical imaging systems based on rotating grids V. DadurkevičiusD. A. Ralys OriginalPaper Pages: 233 - 247
Source flow expansion of monatomic gas into vacuum under external field of forces A. G. El.-SakkaS. A. Montasser OriginalPaper Pages: 249 - 256
Free convection and mass transfer effects on the control of the unsteady boundary layer on an infinite vertical porous limiting surface N. D. Nanousis OriginalPaper Pages: 257 - 267
Effects of viscous dissipation and free convection currents on the flow of an electrically conducting fluid past an accelerated vertical porous plate M. A. HossainH. BanuR. A. Begum OriginalPaper Pages: 269 - 279
Unsteady hydromagnetic boundary-layer flow on a semi-infinite wall G. C. PandeP. Hatzikonstantinou OriginalPaper Pages: 281 - 288
The shock-wave structure for arbitrary Prandtl numbers and high mach numbers M. A. KhidrM. A. A. Mahmoud OriginalPaper Pages: 289 - 301
The dynamo theory of plasma turbulence wave in rotating celestial bodies Tong YiLu ShengzhiHan Jiling OriginalPaper Pages: 303 - 316
Distance estimate of M31 based on the size distribution of Hii regions and dark clouds I. A. Issa OriginalPaper Pages: 317 - 323
Magneto-gravitational instability of a fluid through porous medium including finite ion Larmor radius R. K. ChhajlaniR. K. Sanghvi OriginalPaper Pages: 341 - 347
The formation of interstellar H2 on transition metal grains D. J. YuM. T. ZhouQ. Q. Gou OriginalPaper Pages: 365 - 371
Hα line emission and infrared excess in Be stars P. S. GorayaB. S. Rautela OriginalPaper Pages: 373 - 381
The primeval hadron and the Regge law C. A. Z. VasconcellosH. A. DottoriA. A. Schmidt OriginalPaper Pages: 383 - 390
Can the big-bang singularity be avoided in the scale-covariant theory? Hafizur RahmanS. Banerji Letter to the Editor Pages: 405 - 412
The measurement of the absorption properties of dry micro-organisms and its relationship to astronomy F. HoyleN. C. WickramasingheS. Al-Mufti Letter to the Editor Pages: 413 - 416
Two remarks on the properties of the initial universe Attila Mészáros Letter to the Editor Pages: 417 - 418
Exact five-dimensional cosmological solutions Dieter Lorenz-Petzold Letter to the Editor Pages: 419 - 422