Masazumi Hirai
发表
Tsuyoshi Kai,
Kazuo Okohira,
Higuchi Mitsuo,
1982
.
Ryoji Tsujino,
Nobuyuki Ishiwata,
Masazumi Hirai,
1989
.
Tsuyoshi Kai,
Kazuo Okohira,
Higuchi Mitsuo,
1983
.
Masazumi Hirai,
1993
.