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*Shinji Ikeda
Snow Avalanche and Landslide Research Center, Public Works Research Institute
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Takafumi Katsushima
Toyama National College of Technology
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Hiroki Matsushita
Snow Avalanche and Landslide Research Center, Public Works Research Institute
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Yukari Takeuchi
Tohkamachi Experiment Station, Forestry and Forest Products Research Institute
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Kazuya Akiyama
Snow Avalanche and Landslide Research Center, Public Works Research Institute