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Hiromitsu KISANUKI
Univ. Forest in Hokkaido, Fac. of Agric., the Univ. of Tokyo
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Akio KURAHASHI
Univ. Forest in Hokkaido, Fac. of Agric., the Univ. of Tokyo
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Hidetoshi KATO
Fac. of Sci., Kyoto Univ.
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Ryohei TERAUCHI
Fac. of Sci., Kyoto Univ.
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Shoichi KAWANO
Fac. of Sci., Kyoto Univ.
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Yuji IDE
Res. Div. of the Univ. Forests, Fac. of Agric., the Univ. of Tokyo
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Sadamoto WATANABE
Res. Div. of the Univ. Forests, Fac. of Agric., the Univ. of Tokyo