Affiliation: | 1. Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509, Japan 2. Faculty of Agriculture, Shinshu University, Minami-Minowa, Nagano, 399-4598, Japan 3. Institute of Wood Technology, Akita Prefectural University, Noshiro, Akita, 016-0876, Japan 4. Mountain Research Institute, Shinshu University, Minami-Minowa, Nagano, 399-4598, Japan
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