@article{quidelleur:insu-01405155, TITLE = {{Long-term geometry of the geomagnetic field for the last five million years: An updated secular variation database}}, AUTHOR = {Quidelleur, Xavier and Valet, Jean-Pierre and Courtillot, Vincent and Hulot, Gauthier}, URL = {https://insu.hal.science/insu-01405155}, JOURNAL = {{Geophysical Research Letters}}, PUBLISHER = {{American Geophysical Union}}, VOLUME = {21}, NUMBER = {15}, PAGES = {1639-1642}, YEAR = {2013}, DOI = {10.1029/94GL01105}, PDF = {https://insu.hal.science/insu-01405155/file/Quidelleur_et_al-1994-Geophysical_Research_Letters.pdf}, HAL_ID = {insu-01405155}, HAL_VERSION = {v1}, }