@article{Gasparrini:2017V0,
  author = "Gasparrini, Dario  and  Paliya", "Vaidehi S.  and  Ajello", "Marco  and  Ojha", "Roopesh",
  title = "{Gamma-ray Beacons at the Dawn of the Universe}",
  doi = "10.22323/1.301.0659",
  journal = "PoS",
  year = 2017,
  volume = "ICRC2017",
  pages = "659"
}