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[in Japanese]
University of Tsukuba
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[in Japanese]
University of Tokyo
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[in Japanese]
Chuden Engineering Consultants Co., Ltd.
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[in Japanese]
National Institute for Land and Infrastructure Management
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[in Japanese]
Ministry of Land, Infrastructure, Transport and Tourism
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[in Japanese]
Nippon Koei Co., Ltd.
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[in Japanese]
Sabo & Landslide Technical Center
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[in Japanese]
Sabo Frontier Foundation
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[in Japanese]
Ministry of Land, Infrastructure, Transport and Tourism
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[in Japanese]
Ministry of Land, Infrastructure, Transport and Tourism