STRONGLY ABSORBING LAYERS BELOW 50 KM

[1] SUDDEN ABSORPTION OF ATMOSPHERICS DUE TO INCREASE IN COSMIC RAY INTENSITY [J]. NATURE, 1956, 178 (4527) : 277 - 278

[2] DISTURBANCES IN THE LOWER IONOSPHERE OBSERVED AT VHF FOLLOWING THE SOLAR FLARE OF 23 FEBRUARY 1956 WITH PARTICULAR REFERENCE TO AURORAL-ZONE ABSORPTION [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1957, 62 (03): : 431 - 463

[3] BARBIER D, 1942, ANN ASTROPHYS, V5, P1

[4] THE NEGATIVE ION CONCENTRATION IN THE LOWER IONOSPHERE [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1951, 2 (01): : 1 - 13

[5] SOME UNUSUAL RADIO OBSERVATIONS MADE ON 23 FEBRUARY 1956 [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1956, 8 (4-5): : 281 - 286

[6] BERKNER LV, 1939, TERRESTRIAL MAGNETIS

[7] BLOCK L, 1958, ARK FYS, V14, P161

[8] NOTE ON SHORT RANGE ECHOES ON IONOSPHERIC RECORDERS [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1958, 13 (1-2): : 179 - 179

[9] ON THE APPROXIMATE DAYTIME CONSTANCY OF THE ABSORPTION OF RADIO WAVES IN THE LOWER IONOSPHERE [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1958, 13 (1-2): : 86 - 89

[10] Colwell R. C., 1936, NATURE, V137, P782

[1] SUDDEN ABSORPTION OF ATMOSPHERICS DUE TO INCREASE IN COSMIC RAY INTENSITY [J]. NATURE, 1956, 178 (4527) : 277 - 278

[2] DISTURBANCES IN THE LOWER IONOSPHERE OBSERVED AT VHF FOLLOWING THE SOLAR FLARE OF 23 FEBRUARY 1956 WITH PARTICULAR REFERENCE TO AURORAL-ZONE ABSORPTION [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1957, 62 (03): : 431 - 463

[3] BARBIER D, 1942, ANN ASTROPHYS, V5, P1

[4] THE NEGATIVE ION CONCENTRATION IN THE LOWER IONOSPHERE [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1951, 2 (01): : 1 - 13

[5] SOME UNUSUAL RADIO OBSERVATIONS MADE ON 23 FEBRUARY 1956 [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1956, 8 (4-5): : 281 - 286

[6] BERKNER LV, 1939, TERRESTRIAL MAGNETIS

[7] BLOCK L, 1958, ARK FYS, V14, P161

[8] NOTE ON SHORT RANGE ECHOES ON IONOSPHERIC RECORDERS [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1958, 13 (1-2): : 179 - 179

[9] ON THE APPROXIMATE DAYTIME CONSTANCY OF THE ABSORPTION OF RADIO WAVES IN THE LOWER IONOSPHERE [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1958, 13 (1-2): : 86 - 89

[10] Colwell R. C., 1936, NATURE, V137, P782