How different is the time-averaged field from that of a geocentric axial dipole? Making the best of paleomagnetic directional data using the statistical giant gaussian process approach,
Hulot, G., A. Khokhlov, C. Johnson (2012) (2012),
Abstract GP24A-03 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3–7 Dec. p. GP24A-03