A mathematical solution for the formation of halo Parag SealR. Bandyopadhyay OriginalPaper Pages: 31 - 43
Hall effects on heat and mass transfer flow through porous medium P. C. RamC. B. SinghU. S. Singh OriginalPaper Pages: 45 - 51
Padé approximant calculations for the number of scattering during particle diffusion E. A. SaadS. A. El WakilH. Machali OriginalPaper Pages: 53 - 64
Hydromagnetic cylindrical shock in self-gravitating gas S. KumarD. K. Saxena OriginalPaper Pages: 65 - 83
Interstellar reddening in the direction of the globular cluster M71 R. JanulisV. Straižys OriginalPaper Pages: 95 - 106
Collisional excitation of interstellar molecules Mukund L. KurtadikarSuresh C. Mehrotra OriginalPaper Pages: 129 - 148
Energy variations and electric fields in a collisionless plasma A. Hruška OriginalPaper Pages: 149 - 158
Mass-transfer effects on the flow past an impulsively started infinite vertical plate with variable temperature or constant heat flux V. M. SoundalgekarN. S. BirajdarV. K. Darwhekar OriginalPaper Pages: 159 - 164
An approximate analytical representation of the atmospheric gamma-ray flux at balloon altitudes Enrico CostaEnrico MassaroAntonio Appolloni OriginalPaper Pages: 165 - 174
On the simplification of Euler equations in partially ionized gas Guo-Xuan Song OriginalPaper Pages: 175 - 184
The effect of rotation on the luminosity of magnetic stars Harinder Pal SinghM. K. DasJ. N. Tandon OriginalPaper Pages: 219 - 225
Circular polarization and the structure of compact extragalactic radio sources Esko Valtaoja OriginalPaper Pages: 227 - 241
The spectral characteristics of the SRd star is Geminorum G. CrimiL. Mantegazza OriginalPaper Pages: 255 - 259
Numerical study of the relaxation of one-dimensional gravitational systems M. LuwelG. SeverneP. J. Rousseeuw OriginalPaper Pages: 261 - 277
Effects of hall current on the hydromagnetic free convection with mass transfer in a rotating fluid H. L. AgrawalP. C. RamV. Singh OriginalPaper Pages: 279 - 286
The structure of tidally distorted polytropes Manmohan SinghGajraj Singh OriginalPaper Pages: 287 - 291
On the V/Vm test for a recently published list of bright QSO's Fred Hoyle OriginalPaper Pages: 293 - 300
A possible interpretation of the optical spectrum for BL Lac-type objects L. S. NazarovaA. S. Zentsova OriginalPaper Pages: 301 - 307
Axisymmetric stationary vacuum fields in the general scalar tensor theory T. SinghTarkeshwar Singh OriginalPaper Pages: 309 - 317
Collapse of the spherical stellar system L. R. YangurazovaG. S. Bisnovatyi-Kogan OriginalPaper Pages: 319 - 328
B, V, and DDO photometric observations of red variable stars T. Storchi BergmannSilvia H. B. LiviRoberto D. D. Costa OriginalPaper Pages: 341 - 349
On the velocity of jets powering hot spots similar to those in Cygnus A Guy PelletierJacques Roland OriginalPaper Pages: 351 - 357
Spatial density fluctuations in the radiation era of the Universe G. Lessner OriginalPaper Pages: 359 - 367
On the correlation between supernova occurrence and nuclear activity in elliptical galaxies R. K. KochharT. P. Prabhu OriginalPaper Pages: 369 - 379
Radiation transfer for an inhomogeneous half-space with an internal source E. A. SaadA. A. HendiS. A. El Wakil OriginalPaper Pages: 381 - 389
Luminosity function for galaxies and cosmology Krzysztof D. Maślanka Letters to the Editor Pages: 407 - 411
Contribution of black hole accretion disks to asymmetric lepton production Chidi E. Akujor Letters to the Editor Pages: 413 - 415
Comments on the paper ‘hydrodynamic and turbulent motions in the galactic disk’ Robert C. Fleck Jr. Letters to the Editor Pages: 417 - 419
Comment on the Brans-Dicke-Bianchi type-I solution Dieter Lorenz-Petzold Letters to the Editor Pages: 421 - 423
IUE detector saturation and the new 2800 Å absorption featre ‘discovered’ by Karim, Hoyle, and Wickramasinghe Blair D. SavageMichael L. Sitko Letters to the Editor Pages: 427 - 429
On the λ 2800 Å interstellar extinction feature L. M. KarimF. HoyleN. C. Wickramasinghe Letters to the Editor Pages: 431 - 435
The contribution of normal galaxies to the low energy gamma-ray cosmic diffuse background L. BassaniA. J. Dean Letters to the Editor Pages: 437 - 439
Redshift difference between emission and absorption lines of QSOs D. Basu Letters to the Editor Pages: 441 - 445
The boundary conditions for polytropic gas spheres Jabbar R. Jabbar Letters to the Editor Pages: 447 - 449
The electron temperatures of NGC 2024 and IC 434 Petros Rovithis Letters to the Editor Pages: 451 - 452
Effects of ion collisions on TM modes in a cylindrical wave guide filled with hot moving plasma R. K. SinghD. R. Phalswal Letters to the Editor Pages: 453 - 456
The saturation of the cosmic diffuse γ-ray background by the Seyfert galaxy component L. BassaniA. J. Dean Letters to the Editor Pages: 457 - 460
Exact Brans-Dicke cosmologies with a cosmological constant D. Lorenz-Petzold Letters to the Editor Pages: 461 - 465
Variations of the coupling constants of fundamental interactions in Dirac's cosmology C. Sivaram Letters to the Editor Pages: 467 - 470