Tsutomu Okubo
发表
Noriyuki Ishihara,
Tsutomu Okubo,
Seiji Shu,
1998
.
Jun Sugimoto,
Hajime Akimoto,
Tsuneyuki Hojo,
1988
.
Takamichi Iwamura,
Tsutomu Okubo,
Yoshihiro Nakano,
2006
.
Takamichi Iwamura,
Tsutomu Okubo,
Kohki Hibi,
2001
.
Hideki Harada,
Tsutomu Okubo,
Akiyoshi Ohashi,
2006
.
Tsutomu Okubo,
Yoshiki Ogata,
2009
.
Hideki Harada,
Masanobu Takahashi,
Tsutomu Okubo,
2017
.
Takamichi Iwamura,
Tsutomu Okubo,
Sadao Uchikawa,
2007
.
Takamichi Iwamura,
Hajime Akimoto,
Yoshio Murao,
1992
.
Tsutomu Okubo,
Yoshihiro Nakano,
Hiroshi Akie,
2011
.
Taisuke Yonomoto,
Takamichi Iwamura,
Tsutomu Okubo,
2002
.
Tetsuya Noda,
Tsutomu Okubo,
Kumiaki Moriya,
2008
.
Hideki Harada,
Tsutomu Okubo,
Akiyoshi Ohashi,
2007,
Journal of environmental management.
Takamichi Iwamura,
Tsutomu Okubo,
Kumiaki Moriya,
2002
.
Tsutomu Okubo,
Nobuyuki Ishikawa,
2009
.
Takamichi Iwamura,
Tsutomu Okubo,
Yoshihiro Nakano,
2007
.
Yoshio Murao,
Tsutomu Okubo,
1985
.
Hideki Harada,
Tsutomu Okubo,
Akiyoshi Ohashi,
2006,
Journal of environmental management.