A study of the long-term behaviour patterns of the variation of the emission lines in the spectra of some Be type stars C. R. Kitchin OriginalPaper Pages: 3 - 11
Estimates of the γ-ray flux from Sagittarius A Laura MaraschiMassimo TarenghiAldo Treves OriginalPaper Pages: 12 - 19
Origin of low energy cosmic ray positrons at energies ≳2 MeV J. J. BurgerS. A. StephensB. N. Swanenburg OriginalPaper Pages: 20 - 28
Spontaneous and induced Čerenkov emission in a turbulent medium I. Lerche OriginalPaper Pages: 29 - 49
A comment on ‘Far ultraviolet photometry of orion stars’ by G.R. Carruthers Dimitri Mihalas OriginalPaper Pages: 50 - 52
On a static criterion for the stability of the equilibrium Giulio Calamai OriginalPaper Pages: 53 - 58
The dimensions of gaseous rings in Close Binary Systems S. L. PiotrowskiK. Ziolkowski OriginalPaper Pages: 66 - 73
The composition of low energy primaries withZ≥9 in cosmic radiation U. DellienK. SöderströmK. Kristiansson OriginalPaper Pages: 74 - 85
Quantum-mechanical cellular methods for investigating the behaviour of materials under pressure S. Barcza OriginalPaper Pages: 102 - 113
The contribution of the direct-transfer mechanism to12C+12C reaction Ben-Zion Kozlovsky OriginalPaper Pages: 114 - 119
On the spectrum of a gaseous nebula of pure hydrogen, II H. GerolaN. Panagia OriginalPaper Pages: 120 - 135
Excitation rate of sodium D line in the nightglow A. N. SrivastavaR. V. Shukla OriginalPaper Pages: 136 - 139
Comments on ‘Steady state charge neutral models of the magnetosphere’ I. LercheE. N. Parker Research Note Pages: 140 - 140