1. E. Choi, H. Ejiri, K. Fushimi, K. Hayashi, R. Hazama, T. Kishimoto, N. Kudomi, K. Kume, H. Kuramoto, K. Matsuoka, H. Miyawaki, H. Ohsumi, I. Ogawa, S. Umehara, S. Yoshida, Proceedings of the 13th Workshop on Radiation Detectors and their Uses, 1999, p. 127.
2. Delayed coincidence technique for 133gXe detection
3. T. Iwawaki, K. Fushimi, T. Horikawa, N. Koori, S. Nakayama, Proceedings of the 11th Workshop on Radiation Detectors and their Uses, 1997, p. 66.
4. R.B. Firestone, V.S. Shirley, C.M. Baglin, S.Y. Frank Chu, J. Zipkin (Eds.), Table of Isotopes, 8th Edition, Wiley, INC, New York, 1996.
5. Double beta decays and ELEGANT V and VI at Oto Cosmo Observatory