Line ratios for solar ultra-violet lines of Ov J. G. DoyleP. L. DuftonA. E. Kingston OriginalPaper Pages: 243 - 251
Weakening of the solar EUV line emission near the Sun's limb Mitsuo Kanno OriginalPaper Pages: 253 - 259
Long-term quasi-periodic oscillations of EUV-flux on the Sun E. V. Ivanov OriginalPaper Pages: 261 - 273
Enhanced X-ray emission above 3.5 keV in active regions in the absence of flares Aert SchadeeCornelis De JagerZdeněk Švestka OriginalPaper Pages: 287 - 305
Microwave, ultraviolet, and soft X-Ray observations of hale region 16898 Kiyoto ShibasakiFranca Chiuderi-DragoEster Antonucci OriginalPaper Pages: 307 - 321
Bidimensional analysis of solar active regions and flares B. CaccinR. FalcianiL. A. Smaldone OriginalPaper Pages: 323 - 339
Properties of flares observed in the Mg i b2 line at 5172 Å J. K. LawrenceG. A. ChapmanA. D. Herzog OriginalPaper Pages: 341 - 353
X-ray, Hα, and radio observations of the two-ribbon flare of 16 May, 1981 F. FárníkJ. KaastraB. Valniček OriginalPaper Pages: 355 - 378
Long time delay between the peaks of intense solar hard X-ray and microwave bursts T. TakakuraS. S. DegaonkarS. Enome OriginalPaper Pages: 379 - 390
The source model of low-energy electrons responsible for type I and type III radio noise storms V. M. GubchenkoV. V. Zaitsev OriginalPaper Pages: 391 - 402
Progress and problems in the theory of type III solar radio emission Martin V. Goldman OriginalPaper Pages: 403 - 442