Unknown
Kawabata, T
;
Akimune, H
;
Fujita, H
;
[et al.]
Fujita, Y
;
Fujiwara, M
;
Hara, K
;
Hatanaka, K
;
Itoh, M
;
Kanada-En'yo, Y
;
Kishi, S
;
Nakanishi, K
;
Sakaguchi, H
;
Shimbara, Y
;
Tamii, A
;
Terashima, S
;
Uchida, M
;
... and further 4
Institute of Physics