H. Okada
发表
A. Kareem,
Carl-Alexander Graubner,
Y. Tamura,
2001
.
Hitomitsu Kikitsu,
Hisashi Okada,
Yasuo Okuda,
2001
.
H. Okada,
S. Yoshimura,
M. Murakami,
1992
.
S. Honjo,
H. Okada,
J. C. Hathaway,
1972
.
Hisashi Okada,
Young-Cheol Ha,
Young-Cheol Ha,
1992
.
Yukio Tamura,
Jun Kanda,
Takeshi Ohkuma,
1999
.
Morimasa Watakabe,
Hisashi Okada,
Shinji Ito,
2001
.