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- [42] THE IONOSPHERIC PROPAGATION OF LOW-FREQUENCY AND VERY-LOW-FREQUENCY RADIO WAVES OVER DISTANCES LESS THAN 1000 KMPROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON, 1951, 98 (53): : 221 - 236BRACEWELL, RNBUDDEN, KGRATCLIFFE, JASTRAKER, TWWEEKES, K
- [43] VERY-LOW-FREQUENCY PHASE OBSERVATIONS OF SOLAR FLARE IONIZATION IN D REGION OF IONOSPHEREJOURNAL OF GEOPHYSICAL RESEARCH, 1963, 68 (19): : 5421 - &CHILTON, CJNORTON, RBSTEELE, FK
- [44] VERY-LOW-FREQUENCY MODULATION OF DISCRETE FREQUENCY SOLAR NOISE BURSTSNATURE, 1961, 191 (478) : 56 - &AARONS, JALLEN, RBASU, SKIDD, W
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- [46] OBSERVATION OF VERY-LOW-FREQUENCY WHISTLER-MODE WAVES IN REGION OF RADIATION-BELT SLOTJOURNAL OF GEOPHYSICAL RESEARCH, 1972, 77 (19): : 3475 - +KOONS, HCMCPHERSON, DA
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- [48] THEORY OF GENERATION OF EXOSPHERIC VERY-LOW-FREQUENCY NOISE (HISS)JOURNAL OF GEOPHYSICAL RESEARCH, 1962, 67 (06): : 2223 - +DOWDEN, RL
- [49] WHISTLER-TRIGGERED PERIODIC VERY-LOW-FREQUENCY EMISSIONSJOURNAL OF GEOPHYSICAL RESEARCH, 1963, 68 (19): : 5387 - +HELLIWELL, RA
- [50] ELECTRON PRECIPITATION ASSOCIATED WITH DISCRETE VERY-LOW-FREQUENCY EMISSIONSJOURNAL OF GEOPHYSICAL RESEARCH, 1971, 76 (34): : 8445 - +ROSENBERG, TJHELLIWELL, RAKATSUFRAKIS, JP