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References

  • Chapman, S., and J. Bartels, Geomagnetism, Oxford University Press, London, 1940.
  • Langel, R. A., Main field, Geomagnetism, 1Jacobs, J. A., Academic Press, London, 1987.
  • Lowes, F., The working of the IGRF 2000 Task Force, Earth, Planets and Space, 52, 11711174, 2000.
  • Olsen, N., T. Sabaka, and L. Tøffner-Clausen, Determination of the IGRF 2000 model, Earth, Planets and Space, 52, 11751182, 2000.