@inproceedings{Ito:2017PA, author = "Ito, Shintaro", title = "{Status of RI background reduction for SK-Gd}", doi = "10.22323/1.301.1012", booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)", year = 2017, volume = "301", pages = "1012" }