@inproceedings{Fujii:2016d4,
  author = "Fujii, Toshihiro",
  title = "{Search for Ultra-relativistic Magnetic Monopoles with the Pierre Auger Observatory }",
  doi = "10.22323/1.236.0319",
  booktitle = "Proceedings of The 34th International Cosmic Ray Conference {\textemdash} PoS(ICRC2015)",
  year = 2016,
  volume = "236",
  pages = "319"
}