@inproceedings{Rokujo:2021nk, author = "Rokujo, Hiroki and Aoki, Shigeki and Iyono, Atsushi and Karasuno, Ayaka and Kodama, Kohichi and Komatani, Ryosuke and Komatsu, Masahiro and Komiyama, Masahiro and Kuretsubo, Kenji and Marushima, Toshitsugu and Matsuda, Syota and Morishima, Kunihiro and Morishita, Misaki and Naganawa, Naotaka and Nakamura, Mitsuhiro and Nakamura, Motoya and Nakamura, Takafumi and Nakamura, Yuya and Nakano, Noboru and Nakano, Toshiyuki and Nishio, Akira and Oda, Miyuki and Sato, Osamu and Sugimura, Kou and Suzuki, Atsumu and Takahashi, Satoru and Torii, Mayu and Yamamoto, Saya and Yoshimoto, Masahiro", title = "{Observation of sub-GeV atmospheric gamma rays on GRAINE 2018 balloon experiment and comparison with HKKM calculation}", doi = "10.22323/1.395.0638", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "638" }