9 citations as recorded by crossref.

1. Observations of wave activity in the ionosphere over South Africa in geomagnetically quiet and disturbed periods T. Sindelarova et al. https://doi.org/10.1016/j.asr.2012.04.016
2. Comparison of auroral electrojet indices in the Northern and Southern Hemispheres J. Weygand & E. Zesta https://doi.org/10.1029/2008JA013055
3. Significance of the high-latitude geomagnetic index AES-80: comparison with the PC index P. Ballatore & C. Maclennan https://doi.org/10.1186/BF03352246
4. Auroral electrojet AL index and polar magnetic disturbances in two hemispheres S. Lyatskaya et al. https://doi.org/10.1029/2009JA014100
5. Recent results from correlative ionosphere and magnetosphere studies incorporating antarctic observations T. Rosenberg https://doi.org/10.1016/S0273-1177(99)00645-6
6. Relationship between the Northern Hemisphere Joule heating and geomagnetic activity in the southern polar cap P. Ballatore et al. https://doi.org/10.1029/1999JA000390
7. Monitoring the auroral electrojet from polar cap stations W. Lyatsky et al. https://doi.org/10.1029/2004JA010989
8. Auroral electrojet indices in the Northern and Southern Hemispheres: A statistical comparison J. Weygand et al. https://doi.org/10.1002/2013JA019377
9. Effective area for the northern polar cap magnetic activity index V. Papitashvili & O. Rasmussen https://doi.org/10.1029/1999GL003611