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- [2] AN INVESTIGATION OF THE IONOSPHERIC D-REGION JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1959, 16 (3-4): : 291 - &
- [4] STUDY OF THE IONOSPHERIC D-REGION USING PARTIAL REFLECTIONS JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1953, 3 (06): : 321 - +
- [5] DETERMINATION OF D-REGION ELECTRON DENSITIES FROM OBSERVATIONS OF CROSS MODULATIONS JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1962, 24 (JAN): : 31 - &
- [6] RESULTS FROM DRIFT MEASUREMENTS IN IONOSPHERIC D-REGION PHYSICA NORVEGICA, 1970, 4 (3-4): : 254 - &