-
Naoki SUETSUGU
Graduate School of Agriculture, Hokkaido Univ.
-
Shuhei AIZAWA
Hokkaido Research Center, Forestry and Forest Products Research Institute
-
Tadashi SAKATA
Hokkaido Research Center, Forestry and Forest Products Research Institute
-
Eriko ITO
Hokkaido Research Center, Forestry and Forest Products Research Institute
-
Takayoshi KOIKE
Research Faculty of Agriculture, Hokkaido Uuiv.