@inproceedings{Fujii:2025+9,
  author = "Fujii, Toshihiro",
  title = "{The Global Cosmic Ray Observatory -- Challenging next-generation multi-messenger astronomy with interdisciplinary research}",
  doi = "10.22323/1.501.0258",
  booktitle = "Proceedings of 39th International Cosmic Ray Conference {\textemdash} PoS(ICRC2025)",
  year = 2025,
  volume = "501",
  pages = "258"
}