Unknown
Fujisawa, A
;
Shimizu, A
;
Nakano, H
;
[et al.]
Ohshima, S
;
Itoh, K
;
Nagashima, Y
;
Itoh, S-I
;
Iguchi, H
;
Yoshimura, Y
;
Minami, T
;
Nagaoka, K
;
Takahashi, C
;
Kojima, M
;
Nishimura, S
;
Isobe, M
;
Suzuki, C
;
... and further 5
Institute of Physics