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- [5] PROFILES OF ELECTRON-DENSITY IN THE LOWER IONOSPHERE OBSERVED BY THE MU RADAR JOURNAL OF GEOMAGNETISM AND GEOELECTRICITY, 1991, 43 (03): : 179 - 187
- [6] ELECTRON-DENSITY PROFILES IN THE IONOSPHERE DURING THE IGY PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1958, 46 (11): : 1874 - 1874
- [9] IONOSPHERIC ABSORPTION AND PROFILES OF ELECTRON-DENSITY AND LOSS-RATE IN THE LOWER IONOSPHERE JOURNAL OF GEOPHYSICS-ZEITSCHRIFT FUR GEOPHYSIK, 1979, 46 (01): : 23 - 33