TY - JOUR A1 - Kremser, G. A1 - Rasinkangas, R. A1 - Tanskanen, P. A1 - Wilken, B. A1 - Gloeckler, G. T1 - Solar wind contribution to the average population of energetic He+ and He++ ions in the Earth's magnetosphere JO - Ann. Geophys. J1 - ANGEO VL - 12 IS - 2/3 SP - 152 EP - 168 Y1 - 1994/01/31 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/12/152/1994/ L1 - https://angeo.copernicus.org/articles/12/152/1994/angeo-12-152-1994.pdf DO - 10.1007/s00585-994-0152-y ER -