Unknown
He, X T
;
Cai, Hong-bo
;
Wu, Si-zhong
;
[et al.]
Cao, Li-hua
;
Zhang, Hua
;
He, Ming-qing
;
Chen, Mo
;
Wu, Jun-feng
;
Zhou, Cang-tao
;
Zhou, Wei-Min
;
Shan, Lian-qiang
;
Wang, Wei-wu
;
Zhang, Feng
;
Bi, Bi
;
Zhao, Zong-qing
;
Gu, Yu-qiu
;
... and further 7
Institute of Physics