Unknown
Nishiuchi, M
;
Sakaki, H
;
Hori, T
;
[et al.]
Ogura, K
;
Yogo, A
;
Pirozhkov, A S
;
Sagisaka, A
;
Orimo, S
;
Mori, M
;
Sugiyama, H
;
Kiriyama, H
;
Tampo, M
;
Daito, I
;
Okada, H
;
Kanazawa, S
;
Tanoue, M
;
... and further 15
Institute of Physics