Seasonal and diurnal variation of geomagnetic activity : Revised Dst versus external drivers

@inproceedings{Hkkinen2017SeasonalAD,
  title={Seasonal and diurnal variation of geomagnetic activity : Revised Dst versus external drivers},
  author={Lasse V. T. H{\"a}kkinen and Tuija I. Pulkkinen and Risto J. Pirjola and Heikki Nevanlinna and Esa Tanskanen and Niescja E. Turner},
  year={2017}
}