IONIZATION FREQUENCIES FOR SOLAR CYCLE-21 - REVISED

[1] ON THE VARIABILITY OF LYMAN-ALPHA WITH SOLAR-ACTIVITY [J]. PLANETARY AND SPACE SCIENCE, 1981, 29 (08) : 907 - 914

[2] AERONOMICAL REFERENCE SPECTRUM FOR SOLAR UV BELOW 2000-A [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1978, 83 (NA11): : 5305 - 5308

[3] Hinteregger H. E., 1981, ADV SPACE RES, V1, P39, DOI DOI 10.1016/0273-1177(81)90416-6

[4] DEVELOPMENT OF SOLAR CYCLE 21 OBSERVED IN EUV SPECTRUM AND ATMOSPHERIC ABSORPTION [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1979, 84 (NA5): : 1933 - 1938

[5] HINTEREGGER HE, 1973, RADIO SCI, V8, P349, DOI 10.1029/RS008i004p00349

[6] OBSERVATIONAL, REFERENCE AND MODEL DATA ON SOLAR EUV, FROM MEASUREMENTS ON AE-E [J]. GEOPHYSICAL RESEARCH LETTERS, 1981, 8 (11) : 1147 - 1150

[7] EUV FLUX VARIATION DURING END OF SOLAR CYCLE-20 AND BEGINNING CYCLE-21, OBSERVED FROM AE-C SATELLITE [J]. GEOPHYSICAL RESEARCH LETTERS, 1977, 4 (06) : 231 - 234

[8] Kirby K., 1979, Atomic Data and Nuclear Data Tables, V23, P63, DOI 10.1016/0092-640X(79)90021-4

[9] VARIABILITY OF THE LYMAN ALPHA-FLUX WITH SOLAR-ACTIVITY [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1983, 88 (NA7) : 5751 - 5759

[10] THE SOLAR SPECTRAL IRRADIANCE 1200-3184 A NEAR SOLAR MAXIMUM - JULY 15, 1980 [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1981, 86 (NA11): : 9193 - 9198

[1] ON THE VARIABILITY OF LYMAN-ALPHA WITH SOLAR-ACTIVITY [J]. PLANETARY AND SPACE SCIENCE, 1981, 29 (08) : 907 - 914

[2] AERONOMICAL REFERENCE SPECTRUM FOR SOLAR UV BELOW 2000-A [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1978, 83 (NA11): : 5305 - 5308

[3] Hinteregger H. E., 1981, ADV SPACE RES, V1, P39, DOI DOI 10.1016/0273-1177(81)90416-6

[4] DEVELOPMENT OF SOLAR CYCLE 21 OBSERVED IN EUV SPECTRUM AND ATMOSPHERIC ABSORPTION [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1979, 84 (NA5): : 1933 - 1938

[5] HINTEREGGER HE, 1973, RADIO SCI, V8, P349, DOI 10.1029/RS008i004p00349

[6] OBSERVATIONAL, REFERENCE AND MODEL DATA ON SOLAR EUV, FROM MEASUREMENTS ON AE-E [J]. GEOPHYSICAL RESEARCH LETTERS, 1981, 8 (11) : 1147 - 1150

[7] EUV FLUX VARIATION DURING END OF SOLAR CYCLE-20 AND BEGINNING CYCLE-21, OBSERVED FROM AE-C SATELLITE [J]. GEOPHYSICAL RESEARCH LETTERS, 1977, 4 (06) : 231 - 234

[8] Kirby K., 1979, Atomic Data and Nuclear Data Tables, V23, P63, DOI 10.1016/0092-640X(79)90021-4

[9] VARIABILITY OF THE LYMAN ALPHA-FLUX WITH SOLAR-ACTIVITY [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1983, 88 (NA7) : 5751 - 5759

[10] THE SOLAR SPECTRAL IRRADIANCE 1200-3184 A NEAR SOLAR MAXIMUM - JULY 15, 1980 [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 1981, 86 (NA11): : 9193 - 9198