Katsumi Watanabe

发表

Katsumi Watanabe, Taku Ohara, Atsushi Nagaoka, 2000 .

Hidenori Komatsubara, Katsumi Watanabe, Yuuta Sasaki, 2005 .

Yasuo Yoshizawa, Katsumi Watanabe, Kyuichi Niizeki, 2007 .