1. Miyasaka, S.et al : JAERI-M5794(1974).
2. Takemura, M.et al. : 1987 Fall Mtg. of the Atomic Energy Society of Japan, A61, Oct. (1987).
3. Nakagawa, T.JAERI-M84-103 (1984).
4. Ford III, W. E.CTC-42 (1970).
5. Garber, D., Dunford, G, Perlstein, S.BNL-NCS-50496, Oct. (1975).