Y. Takagi
发表
H. Kojima,
K. Uchida,
Y. Takagi,
1986
.
H. Kojima,
Y. Takagi,
Hiroki Teramoto,
1988
.
Y. Takagi,
Takashi Inoue,
K. Yamanaka,
1989
.
Y. Takagi,
Takashi Inoue,
T. Ougizawa,
1987
.