Seiitsu Nigawara

发表

Tadayoshi Saito, Hiroshi Matsumoto, Junzo Kawakami, 1990 .

Masao Takatoo, Tadaaki Kitamura, Junzo Kawakami, 1990 .

Hiroshi Kohmoto, Seiitsu Nigawara, Shigeaki Namba, 1991 .