Toshihiko Sugai
发表
Tomoki Nakaya,
Kohei Matsunaga,
Toshihiko Sugai,
2009,
Trans. GIS.
M. Hirano,
Hiroo Ohmori,
Toshihiko Sugai,
1995
.
Tsuyoshi Haraguchi,
Toshihiko Sugai,
Kunihiko Endo,
2016
.
Shoichiro Uchiyama,
Toshihiko Sugai,
S. Uchiyama,
2017
.
Hidetsugu Yoshida,
Toshihiko Sugai,
2007
.