Hiroyoshi Yokoyama
发表
Hiroshi Takahashi,
Naoki Fukutomi,
Shin Takanezawa,
1989
.
Hiroyoshi Yokoyama,
Nobuo Uozu,
Yoichi Matsuda,
1985
.
Hiroyoshi Yokoyama,
Toshirou Okamura,
1998
.