Forbidden carbon I lines in the solar spectrum D. L. LambertJ. P. Swings OriginalPaper Pages: 34 - 38
The nature of quiescent solar prominences Max KuperusEinar Tandberg-Hanssen OriginalPaper Pages: 39 - 48
A phenomenological model for disparitions brusques followed by flarelike chromospheric brightenings Charles L. Hyder OriginalPaper Pages: 49 - 74
Electron density in flares I: Discussion of the halfwidth method Z. ŠvestkaL. Fritzová-Švestková OriginalPaper Pages: 75 - 86
Electron density in flares II: Results of measurement L. Fritzová-ŠvestkováZ. Švestka OriginalPaper Pages: 87 - 97
Determination of the solar X-ray spectrum by using the atmospheric extinction M. Landini OriginalPaper Pages: 106 - 111
Application of the hypersonic analog to the standing shock of Mars Murray DryerGary R. Heckman OriginalPaper Pages: 112 - 124
The solar service of the National Observatory of Athens Constantin J. Macris Report from Solar Institute Pages: 125 - 128