@inproceedings{Unger:2011It,
  author = "Unger, Michael",
  title = "{Hadron production at fixed target energies and extensive air showers}",
  doi = "10.22323/1.120.0449",
  booktitle = "Proceedings of 35th International Conference of High Energy Physics {\textemdash} PoS(ICHEP 2010)",
  year = 2011,
  volume = "120",
  pages = "449"
}