Photometry and discussion of the classical Algol systems U Sge and U Cep M. A. KhanE. Budding OriginalPaper Pages: 219 - 242
Trigonometric series representations of the orbital inclination function Mervat El-Sayed Awad OriginalPaper Pages: 243 - 258
Expansion theory for elliptic motion of arbitrary eccentricity and semi-major axis Mohamed Adel Sharaf OriginalPaper Pages: 259 - 298
Thermal-convective instability of a composite plasma in a stellar atmosphere with Hall currents K. C. Sharma OriginalPaper Pages: 299 - 304
Isotropic flat space cosmology in Jordan-Brans-Dicke theory P. ChauvetJ. Klapp OriginalPaper Pages: 305 - 309
The skin friction in the unsteady free-convection flow past an accelerated plate M. A. HossainL. K. Shayo OriginalPaper Pages: 315 - 324
Period-doubling as a limit to pulsation of short-period population II Cepheid models Toshiki Aikawa OriginalPaper Pages: 325 - 330
The role of cavities and mantles in the ultraviolet extinction peak of graphite spheres with particular reference to a possibly discovered C60 structure R. Rabilizirov OriginalPaper Pages: 331 - 339
The stability of multi-component gravitational systems described by a Boltzmann equation Henry E. Kandrup OriginalPaper Pages: 361 - 374
Magnetic-cloud chamber effects behind flare-generated shock waves Stephen Pintér OriginalPaper Pages: 375 - 378
The motion of the cylindrical-symmetrical relativistic shock wave in the presence of an axial magnetic field Shi Chang Chun OriginalPaper Pages: 379 - 390
Mass transfer effects on the transient behaviour of the asymptotic laminar boundary layer D. P. GeorgiouG. A. Georgantopoulos OriginalPaper Pages: 391 - 397
Characteristic actionsh (s) in the structure of the universe M. Dersarkissian Letter to the Editor Pages: 399 - 400
Some suggestions concerning program to generate the symmetry-adapted rotational eigenfunctions and energy levels for asymmetric top molecules Suresh Chandra Letter to the Editor Pages: 401 - 402
Comments on the existence of a cylindrical-symmetric relativistic shock wave with an azimuthal magnetic field Shi Chang Chun Letter to the Editor Pages: 403 - 404
Did Eötvös torsion experiment detect Cartan's contortion? Attila Mészáros Letter to the Editor Pages: 405 - 410