A numerical investigation of secular terms of the planetary disturbing function G. Antonacopoulos OriginalPaper Pages: 267 - 276
Cosmological vacuum solutions in Brans and Dicke's scalar-tensor theory H. DehnenO. Obregón OriginalPaper Pages: 338 - 342
Some tests of the Vaníček Method of spectral analysis J. TaylorS. Hamilton OriginalPaper Pages: 357 - 367
Luminosity and mass functions for low main-sequence stars Italo Mazzitelli OriginalPaper Pages: 378 - 389
Statistics on the solar spectrum suitable for the study of the blanketing effect in stars of spectral types F, G and K A. NattaM. Ranieri OriginalPaper Pages: 390 - 408
Possibility of continuous monitoring of celestial X-ray sources through their ionization effects in the nocturnal D-region ionosphere D. P. sharmaA. K. JainU. R. Rao OriginalPaper Pages: 409 - 425
The relative merits of galactic density functions: An orbit computational viewpoint K. A. InnanenA. G. Ryman OriginalPaper Pages: 447 - 452
On the stability of dual-spin bodies with unbalancing mass Alan Ping-I Wang OriginalPaper Pages: 459 - 466
The fermi mechanism and the source spectrum of cosmic ray nuclei S. RamaduraiS. Biswas OriginalPaper Pages: 467 - 471
A balloon-borne observation of the X-ray source Cygnus XR-1 Albert E. MetzgerJoseph F. Dolan OriginalPaper Pages: 482 - 488
Observations of the general background Hα emission from the galactic plane J. Meaburn Research Note Pages: 499 - 502