J. Dinar@bullets-turell and E. Mcclelland, A cautionary tale for palaeomagnetists: A spurious apparent single component remanence due to overlap of blocking-temperature spectra of two components, Geophysical Research Letters, vol.86, issue.7, pp.1297-1300, 1991.
DOI : 10.1029/91GL01335

D. J. Dunlop, On the use of Zijderveld vector diagrams in multicomponent paleomagnetic studies, Physics of the Earth and Planetary Interiors, vol.20, issue.1, pp.12-24, 1979.
DOI : 10.1016/0031-9201(79)90103-1

R. A. Fisher, Dispersion on a Sphere, Proc. R. Soc. London, pp.295-305, 1953.
DOI : 10.1098/rspa.1953.0064

M. W. Mcelhinny, Statistical significance of the fold test in paleomagnetism, Geophys, J. R. astr. Soc, vol.8, pp.33-40, 1964.

J. L. Kirschvink, The least-squares line and plane and the analysis of palaeomagnetic data, Geophysical Journal International, vol.62, issue.3, pp.699-718, 1980.
DOI : 10.1111/j.1365-246X.1980.tb02601.x

J. D. Zijderveld and A. C. , A. C. Demagnetization of Rocks: Analysis of Results, pp.254-286, 1967.
DOI : 10.1016/B978-1-4832-2894-5.50049-5

N. Halim, Laboratoire de Pa16omagn6tisme

V. Courtillot, Laboratoire de Pa16omagn6tisme, Institut de Physique du Globe, 4 place Jussieu