Observed and theoretical profiles of the Si ii lines at λ1814 G. D. FinnH. C. McAllister OriginalPaper Pages: 263 - 273
Overstabilization of acoustic modes in a polytropic atmosphere H. M. AntiaS. M. ChitreD. M. Kale OriginalPaper Pages: 275 - 292
On physical conditions in the chromosphere above sunspot umbrae R. B. TeplitskajaS. A. Grigoryeva (Efendieva)V. G. Skochilov OriginalPaper Pages: 293 - 303
The development and structure of bright active regions at 2.8 cm A. Donati FalchiM. FelliG. Tofani OriginalPaper Pages: 335 - 350
A physical parameter method for the design of broad-band X-ray imaging systems to do coronal plasma diagnostics S. KahlerA. S. Krieger OriginalPaper Pages: 351 - 357
Manifestation of pulsation instability in solar radio emission preceding proton flares M. M. KobrinA. I. KorshunovYu. V. Tikhomirov OriginalPaper Pages: 359 - 373
New satellite structure of the solar and laser plasma spectra in vicinity of the Lα (mg xii) line E. V. AglizkiV. A. BoikoI. A. Zhitnik OriginalPaper Pages: 375 - 382
Analysis of X-ray observations of the 15 June 1973 flare in active region NOAA 131 K. R. KrallE. J. ReichmannJ. B. Smith Jr. OriginalPaper Pages: 383 - 404
Relation between circular polarization of moving type IV bursts and polarity of photospheric magnetic fields Keizo Kai OriginalPaper Pages: 417 - 427
On the collisional theory of the anisotropic solar wind plasma D. Summers OriginalPaper Pages: 429 - 438
Topological structure of coronal-interplanetary magnetic field Tyan Yeh OriginalPaper Pages: 439 - 447
A solar cycle variation of the interplanetary magnetic field G. L. SiscoeN. U. CrookerL. Christopher OriginalPaper Pages: 449 - 461
On the supposed anticorrelation of solar polar and equatorial rotation rates Thomas L. Duvall Jr.Leif Svalgaard Research Note Pages: 463 - 466
A forecast of solar activity for the 21st solar cycle J. XanthakisC. Poulakos Research Note Pages: 467 - 469