@inproceedings{Tkachev:20129M,
  author = "Tkachev, Igor",
  title = "{Cosmic Rays}",
  doi = "10.22323/1.134.0013",
  booktitle = "Proceedings of XXIst International Europhysics Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2011)",
  year = 2012,
  volume = "134",
  pages = "013"
}