-
Hiroyuki TOBITA
Hokkaido Research Center, Forestry and Forest Products Research Institute
-
Mitsutoshi KITAO
Hokkaido Research Center, Forestry and Forest Products Research Institute
-
Hajime UTSUGI
Hokkaido Research Center, Forestry and Forest Products Research Institute
-
Yutaka MARUYAMA
Hokkaido Research Center, Forestry and Forest Products Research Institute