Unknown
Abe, M
;
Tanimori, T
;
Takada, A
;
[et al.]
Mizumura, Y
;
Komura, S
;
Kishimoto, T
;
Takemura, T
;
Yoshikawa, K
;
Nakamura, Y
;
Nakamasu, Y
;
Taniguchi, T
;
Onozaka, K
;
Saito, K
;
Mizumoto, T
;
Sonoda, S
;
Parker, J D
;
... and further 2
Institute of Physics