Unknown
Suzuki, M
;
Kawamura, N
;
Mizumaki, M
;
[et al.]
Terada, Y
;
Uruga, T
;
Fujiwara, A
;
Yamazaki, H
;
Yumoto, H
;
Koyama, T
;
Senba, Y
;
Takeuchi, T
;
Ohashi, H
;
Nariyama, N
;
Takeshita, K
;
Kimura, H
;
Matsushita, T
;
... and further 13
Institute of Physics