Extreme limb observations of Ba II λ 4554 and Mg i λ 4571 Robert J. Rutten OriginalPaper Pages: 3 - 24
The effective optical depth for the formation of absorption lines Mitsugu Makita OriginalPaper Pages: 43 - 49
Physical processes determining the chromospheric temperature distribution Stuart D. Jordan OriginalPaper Pages: 51 - 59
An improved measurement of a spectrogram of a ‘gap’ G. A. ChapmanN. R. Sheeley Jr. Research Note Pages: 61 - 64
Magnetic and microwave structure in solar active regions Marcello FelliGiannina PolettoGianni Tofani OriginalPaper Pages: 65 - 81
Physics of an active region loop system Randolph H. LevineGeorge L. Withbroe OriginalPaper Pages: 83 - 101
Temperature et microturbulence dans les regions externes des protuberances Z. MouradianJ. L. Leroy OriginalPaper Pages: 103 - 111
Identification of forbidden coronal lines of Fe x and Ni xii Rikard Smitt OriginalPaper Pages: 113 - 119
The shock waves and the magnetic field in the corona above the active region on February 17–28, 1969 Irena Garczyńska OriginalPaper Pages: 131 - 141
Structure of coronal holes from UV and radio observations Franca Chiuderi DragoYvette AvignonRoger J. Thomas OriginalPaper Pages: 143 - 158
An explanation of the observed differences between coronal holes and quiet coronal regions A. G. Hearn OriginalPaper Pages: 159 - 168
Reorientation of global coronal magnetic fields due to differential rotation Shirley F. HansenRichard T. Hansen OriginalPaper Pages: 169 - 174
Comparison of flare bremsstrahlung resulting from energetic thermal and nonthermal electrons J. DavisJ. E. Rogerson OriginalPaper Pages: 185 - 193
Energetic properties of interplanetary plasma at the earth's orbit following the August 4, 1972 flare C. D'ustonJ. M. BosquedE. G. Eroshenko OriginalPaper Pages: 217 - 229
Study of alpha component dynamics in the solar wind using the Prognoz satellite J. M. BosquedC. D'UstonO. L. Vaisberg OriginalPaper Pages: 231 - 242