@inproceedings{Velinov:2017EM,
  author = "Velinov, Peter I. Y.  and  Balabin, Yury  and  Maurchev, Evgeny",
  title = "{Cosmic ray ionization effect in the atmosphere during the maximal GLE05 − on 23.02.1956}",
  doi = "10.22323/1.301.0075",
  booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)",
  year = 2017,
  volume = "301",
  pages = "075"
}