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*Yoshinari Moriguchi
Graduate School of Science and Technology, Niigata University
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Naoki Tani
Forestry and Forest Products Research Institute
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Shinji Itoo
Niigata Prefectural Forest Experiment Station
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Hideaki Taira
Graduate School of Science and Technology, Niigata University
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Yoshihiko Tsumura
Forestry and Forest Products Research Institute