@article{Heber:2016tV,
  author = "Heber, Bernd  and  Dresing, Nina  and  Herbst, Konstantin  and  Klassen, Andreas  and  Gomez-Herrero, R.",
  title = "{Proton energy spectra during ground level enhancements as measured by EPHIN aboard SOHO }",
  doi = "10.22323/1.236.0119",
  journal = "PoS",
  year = 2016,
  volume = "ICRC2015",
  pages = "119"
}