@misc{indiciae82928a342490,
  title = {Spring-fall asymmetry of substorm strength, geomagnetic activity and solar wind: Implications for semiannual variation and solar hemispheric asymmetry},
  author = {K. Mursula and E. Tanskanen and J.J. Love},
  year = {2011},
  doi = {10.1029/2011gl046751},
  url = {https://pubs.usgs.gov/publication/70034109},
  note = {Source identifier: 70034109}
}