No abstract available
Source
Academia Sinica, Lanzhou (China). Inst. of Modern Physics; National Laboratory of Heavy Ion Accelerator, Lanzhou (China); 233 p; ISBN 7-5022-1733-9; 
; Jul 1997; p. 56-57; Atomic Energy Press; Beijing (China)
; Jul 1997; p. 56-57; Atomic Energy Press; Beijing (China)