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Antarctica
04. Solid Earth::04.05. Geomagnetism::04.05.02. Geomagnetic field variations and reversals
2
04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniques
2
geomagnetic field variations
2
geomagnetic observatory
2
01. Atmosphere::01.02. Ionosphere::01.02.04. Plasma Physics
1
01. Atmosphere::01.03. Magnetosphere::01.03.03. Magnetospheric physics
1
magnetic pulsations
1
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