Unknown
Idei, H
;
Hanada, K
;
Zushi, H
;
[et al.]
Ohkubo, K
;
Hasegawa, M
;
Kubo, S
;
Nishi, S
;
Fukuyama, A
;
Sato, K.N
;
Nakamura, K
;
Sakamoto, M
;
Iyomasa, A
;
Kawasaki, S
;
Nakashima, H
;
Higashijima, A
;
Notake, T
;
... and further 7
Institute of Physics