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*Yukari Takeuchi
Tohkamachi Experiment Station, Forestry and Forest Products Research Institute
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Kaoru Izumi
Research Institute for Natural Hazards and Disaster Recovery, Niigata University
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Shinji Ikeda
Snow avalanche and Land slide Research Center, Public Works Research Institute
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Takafumi Katsushima
Toyama National College of Technology
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Yasuhiko Ito
Snow avalanche and Land slide Research Center, Public Works Research Institute
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Tsutomu Iyobe
Research Institute for Natural Hazards and Disaster Recovery, Niigata University
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Yasoichi Endo
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Shigehiro Iikura
Disaster Prevention Technology Division, Railway Technical Research Institute