@inproceedings{Usoskin:2017T+,
  author = "Usoskin, Ilya",
  title = "{Extreme solar particle events: Can we assess the worst case scenario?}",
  doi = "10.22323/1.301.0127",
  booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)",
  year = 2017,
  volume = "301",
  pages = "127"
}