@inproceedings{Martello:20175k,
  author = "Martello, Daniele",
  title = "{The Pierre Auger Observatory Upgrade}",
  doi = "10.22323/1.301.0383",
  booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)",
  year = 2017,
  volume = "301",
  pages = "383"
}