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Seiichiro IOKA
Horonobe Research Institute for the Subsurface Environment, Northern Advancement Center for Science & Technology
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Toshiaki SAKAI
Horonobe Research Institute for the Subsurface Environment, Northern Advancement Center for Science & Technology
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Toshifumi IGARASHI
Graduate School of Engineering, Hokkaido University
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Yoji ISHIJIMA
Horonobe Research Institute for the Subsurface Environment, Northern Advancement Center for Science & Technology