@inproceedings{Sako:2025Zp, author = "Sako, Takashi and Fujii, T. and Kasahara, K. and Menjo, H. and Ohishi, M. and Sakaki, N. and Taketa, A. and Tameda, Yuichiro", title = "{Development of a hybrid air shower simulation tool COSMOS X}", doi = "10.22323/1.501.0379", booktitle = "Proceedings of 39th International Cosmic Ray Conference {\textemdash} PoS(ICRC2025)", year = 2025, volume = "501", pages = "379" }