Possible low ionosphere response to very hard X-rays from Cygnus X-3 bursts in september 1972 Pierre KaufmannL. R. PiazzaS. Ananthakrishnan OriginalPaper Pages: 67 - 70
Photometric information on globular cluster stars from the Palomar Sky Survey prints V. CastellaniF. A. D'AntonaF. Smriglio OriginalPaper Pages: 71 - 78
Analysis of eclipsing binary light curves on automatic computers Edwin Budding OriginalPaper Pages: 87 - 122
Changes in solar rotation due to the solar energy generation cycle of 11 years Jorma KangasProbhas Raychaudhuri OriginalPaper Pages: 123 - 126
Apparent diameters of 172 B5V-A5V stars of the Catalogue of Geneva Observatory Massimo FracassiniGiorgio GilardoniLaura E. Pasinetti OriginalPaper Pages: 141 - 152
The use of Fourier transform techniques in the analysis of photoelectrically scanned double star images L. A. DicksE. Van Rooyen OriginalPaper Pages: 153 - 163
Comments on the paper, ‘on the application of Cramér's theorem to axisymmetric incompressible turbulence', by I. lerche F. KrauseP. H. Roberts Research Note Pages: 193 - 195
Current problems on horizontal branch stars F. CaputoA. NattaV. Castellani OriginalPaper Pages: 199 - 211
Current problems on horizontal branch stars F. CaputoA. NattaV. Castellani OriginalPaper Pages: 213 - 225