@inproceedings{Wada:20218r, author = "Wada, Takuya and Abe, K. and Fuke, H. and Haino, S. and Hams, T. and Hasegawa, M. and Kim, K. T. and Lee, M. H. and Makida, Y. and Mitchell, J. W. and Nishimura, J. and Nozaki, M. and Orito, R. and Ormes, J. F. and Sakai, K. and Sasaki, M. and Seo, E. S. and Streitmatter, R. E. and Thakur, N. and Yamamoto, A. and Yoshida, T. and Yoshimura, K.", title = "{Cosmic-ray beryllium isotope ratio measured by BESS-Polar II}", doi = "10.22323/1.395.0132", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "132" }