共 6 条
- [3] Izawa T., 1979, Transactions of the Institute of Electronics and Communication Engineers of Japan, Section E (English), VE62, P779
- [4] IZAWA T, 1977, 1977 INT C INT OPT O, P375
- [5] KAWACHI M, UNPUBLISHED
- [6] NAKAHARA M, 1979, ELECTRON LETT, V16, P102