Brittle–ductile transition zoneW
Brittle–ductile transition zone
Center of Research in Astronomy, Astrophysics, and GeophysicsW
Center of Research in Astronomy, Astrophysics, and Geophysics
Osmond FisherW
Osmond Fisher
Georg HartmannW
Georg Hartmann
International Union of Geodesy and GeophysicsW
International Union of Geodesy and Geophysics
IonosondeW
Ionosonde
Robert NormanW
Robert Norman
Polar driftW
Polar drift
Kiyoo WadatiW
Kiyoo Wadati
World Magnetic ModelW
World Magnetic Model