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*Kazuhito Kita
Hokkaido Forestry Research Institute
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Kazuko Uchiyama
Hokkaido Forestry Research Institute
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Yasuhiro Ichimura
Hokkaido Forestry Research Institute
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Yoshinari Moriguchi
Forestry and Forest Products Reserach Institute
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Yoshihiko Tsumura
Forestry and Forest Products Reserach Institute
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Makoto Kuromaru
Hokkaido Forestry Research Institute, Dohoku Branch