Unknown
Hanada, K
;
Zushi, H
;
Idei, H
;
[et al.]
Nakamura, K
;
Ishiguro, M
;
Tashima, S
;
Kalinnikova, E. I
;
Sakamoto, M
;
Hasegawa, M
;
Fujisawa, A
;
Higashijima, A
;
Kawasaki, S
;
Nakashima, H
;
Liu, H
;
Mitarai, O
;
Maekawa, T
;
... and further 3
Institute of Physics