@inproceedings{Gao:20257x, author = "Gao, Xinrui", title = "{Study of solar activity by using PRISMA-TU-4}", doi = "10.22323/1.501.1295", booktitle = "Proceedings of 39th International Cosmic Ray Conference {\textemdash} PoS(ICRC2025)", year = 2025, volume = "501", pages = "1295" }