Unknown
Sumi, Tatsumi
;
Judai, Yuji
;
Hirano, Kanji
;
[et al.]
Ito, Toyoji
;
Mikawa, Takumi
;
Takeo, Masato
;
Azuma, Masamichi
;
Hayashi, Shin-ichiro
;
Uemoto, Yasuhiro
;
Arita, Koji
;
Nasu, Toru
;
Nagano, Yoshihisa
;
Inoue, Atsuo
;
Matsuda, Akihiro
;
Fuji, Eiji
;
Shimada, Yasuhiro
;
... and further 1
Institute of Physics