The diatomic molecules BH, BN, and BO in sunspots and the solar abundance of boron O. Engvold OriginalPaper Pages: 183 - 197
Can the ion H3 + account for missing opacity in the solar ultraviolet? Jeffrey L. Linsky OriginalPaper Pages: 198 - 207
The excitation of the forbidden coronal lines R. A. ChevalierD. L. Lambert OriginalPaper Pages: 243 - 257
Quelques effets de l'interaction des centres actifs solaires M. -J. Martres OriginalPaper Pages: 258 - 262
Identification of the hard X-ray pulse in the flare of September 11–12, 1968 J. VorpahlH. Zirin OriginalPaper Pages: 285 - 290
An example of radio and optical homologous flares K. P. White IIIT. J. Janssens OriginalPaper Pages: 291 - 298
Description of mass motions and brightenings in a class 2b flare, August 8, 1968 T. J. JanssensK. P. White III OriginalPaper Pages: 299 - 309
Some developments of the magnetic beam absorption filter M. CiminoA. CaccianiM. Fofi OriginalPaper Pages: 319 - 333
Comments on a paper by D. Meisel entitled ‘Identification of a solar X-ray source using D-layer ionization behavior during an eclipse’ A. C. AikinJ. H. Underwood Research Note Pages: 334 - 337
Abstracts of papers from other journals J. C. HenouxJay M. PasachoffG. Y. Vassilyeva Abstract Pages: 343 - 343