@inproceedings{O'Brien:20198u,
  author = "O'Brien, Stephan",
  title = "{Maximum likelihood spectral fitting and its application to EBL constraints}",
  doi = "10.22323/1.358.0754",
  booktitle = "Proceedings of 36th International Cosmic Ray Conference {\textemdash} PoS(ICRC2019)",
  year = 2019,
  volume = "358",
  pages = "754"
}