共 50 条
- [24] LONG-TERM VARIATIONS IN THE GEOMAGNETIC-ACTIVITY LEVEL .1. A CONNECTION WITH SOLAR-ACTIVITY ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES, 1992, 10 (09): : 668 - 675
- [25] ON IONOSPHERE AND GEOMAGNETIC-VARIATIONS IN MIDDLE LATITUDES IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOFIZIKA, 1982, 25 (08): : 960 - 962
- [27] POSSIBLE SOURCES OF IRREGULAR GEOMAGNETIC-VARIATIONS GEOPHYSICAL JOURNAL, 1983, 5 (06): : 926 - 931
- [29] THE ORIGIN OF LEAPS OF SECULAR GEOMAGNETIC-VARIATIONS GEOMAGNETIZM I AERONOMIYA, 1983, 23 (06): : 1011 - 1014
- [30] LATITUDE DEPENDENCE OF DIURNAL GEOMAGNETIC-VARIATIONS GEOPHYSICAL JOURNAL, 1985, 6 (05): : 766 - 773