@inproceedings{Sandoval:2016j3,
  author = "Sandoval, Andrés",
  title = "{Upgrade paths for the HAWC gamma-ray observatory }",
  doi = "10.22323/1.236.0977",
  booktitle = "Proceedings of The 34th International Cosmic Ray Conference {\textemdash} PoS(ICRC2015)",
  year = 2016,
  volume = "236",
  pages = "977"
}