Earth's Magnetic Field - Definition, Cause, Theory, Components, Examples and FAQs
An Overview of the Earth's Magnetic Field
Geomagnetic field | Definition, Strength, & Facts | Britannica
Fundamentals of Geomagnetism - Geographic Book
Geomagnetism, Aeronomy and Space Weather: A Journey from the Earth's Core to the Sun (Special Publications of the International Union of Geodesy and Geophysics, Series Number 4): Mandea, Mioara, Korte, Monika, Yau,