TY - JOUR A1 - Lepidi, S. A1 - Francia, P. A1 - Villante, U. A1 - Meloni, A. A1 - Lazarus, A. J. A1 - Lepping, R. P. T1 - The Earth's passage of the April 11, 1997 coronal ejecta: geomagnetic field fluctuations at high and low latitude during northward interplanetary magnetic field conditions JO - Ann. Geophys. J1 - ANGEO VL - 17 IS - 10 SP - 1245 EP - 1250 Y1 - 1999/10/31 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/17/1245/1999/ L1 - https://angeo.copernicus.org/articles/17/1245/1999/angeo-17-1245-1999.pdf DO - 10.1007/s00585-999-1245-4 ER -