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Naoki WATANABE
Research Institute for Hazards in Snowy Areas, Niigata University
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Kozo TAKAHASHI
Nittoc Construction Co., Ltd.
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Takayuki HIZUKA
Graduate School of Science and Technology, Niigata University
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Ryuji MURATA
Graduate School of Science and Technology, Niigata University
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Hisanori SATO
Graduate School of Science and Technology, Niigata University