Global geomagnetic field evolution from the past centuries to excursions
https://www.geophysik.uni-muenchen.de/en/seminars/seminars/wp-3-4-special-topics-in-paleo-and-geomagnetism-9/global-geomagnetic-field-evolution-from-the-past
https://www.geophysik.uni-muenchen.de/@@site-logo/kopfbildvorlage_Geophysik_23_03_22.jpg
Global geomagnetic field evolution from the past centuries to excursions