@article{Artamonov:2017I3,
  author = "Artamonov, Anton  and  Mishev, Alexander  and  Kovalstov, Gennady  and  Usoskin, Ilya",
  title = "{Updated model CRAC:HEPII of atmospheric ionization due to high energy protons}",
  doi = "10.22323/1.301.0079",
  journal = "PoS",
  year = 2017,
  volume = "ICRC2017",
  pages = "079"
}