Foundations of Potential Theory, 1953. ,
Uniqueness problems in the spherical harmonic analysis of the geomagnetic field direction data, J. Geomagn, 1976. ,
The main field, in Geomagnetism, pp.249-512, 1987. ,
Vector errors in spherical harmonic analysis of scalar data, Geophys, J. R. astr. S O C, vol.42, pp.637-651, 1975. ,
Optimum use of satellite intensity and vector data in modelling the main geomagnetic field, Phys. Earth p h e t, Inter, vol.48, pp.183-192, 1987. ,
A discussion of the uniqueness of a Laplacian potential when given only partial field information on a sphere, Geophysical Journal International, vol.121, issue.2, pp.579-584, 1995. ,
DOI : 10.1111/j.1365-246X.1995.tb05735.x
Analysis of Geomagnetic Directinal Data, Geophysical Journal International, vol.100, issue.1, pp.69-77, 1990. ,
DOI : 10.1111/j.1365-246X.1990.tb04568.x
Error enhancement in geomagnetic models derived from scalar data, Journal of Geophysical Research, vol.63, issue.13, 1975. ,
DOI : 10.1029/JA080i013p01776
Du paleomagnetisme au geomagnetisme spatial: analyse de quelques sequences temporelles du champ magnetique terrestre, Thhse, pp.1776-1782, 1996. ,