TY - JOUR A1 - Nakano, S. A1 - Higuchi, T. T1 - Non-storm irregular variation of the Dst index JO - Ann. Geophys. J1 - ANGEO VL - 30 IS - 1 SP - 153 EP - 162 Y1 - 2012/01/16 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/30/153/2012/ L1 - https://angeo.copernicus.org/articles/30/153/2012/angeo-30-153-2012.pdf DO - 10.5194/angeo-30-153-2012 ER -