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- [1] A PROCEDURE FOR THE DETERMINATION OF THE VERTICAL DISTRIBUTION OF THE ELECTRON DENSITY IN THE IONOSPHERE [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1952, 57 (03): : 357 - 367
- [2] THE DETERMINATION OF THE ELECTRON DENSITY DISTRIBUTION OF AN IONOSPHERE LAYER IN THE PRESENCE OF AN EXTERNAL MAGNETIC FIELD [J]. JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1954, 5 (01): : 11 - 27