@article{Gonzalez:20192W,
  author = "Gonzalez, Nicolas Martin  and  Sánchez, Federico Andrés  and  Roth, Markus  and  Etchegoyen, Alberto",
  title = "{A Muon-based Observable to Detect Photons at Ultra-high Energies}",
  doi = "10.22323/1.358.0271",
  journal = "PoS",
  year = 2019,
  volume = "ICRC2019",
  pages = "271"
}