![](https://media.springernature.com/w90/springer-static/cover/journal/11214/171/1.jpg?as=webp)
Volume 171, Issue 1-4
October 2012Ground Level Enhancement Events of Solar Cycle 23
- Issue Editors:
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- Natchimuthuk Gopalswamy,
- Nariaki Nitta
9 articles in this issue