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Yoshihiro Sawada
Department of Geoscience, Interdisciprinary Faculty of Science andEngineering, Shimane University
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Kazunari Kadowaki
1223 Osoe Yatsukacho, Matsue 690-1403, Japan
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Shoko Fujishiro
Nittoku Kensetsu Co. Ltd, Japan
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Masahiro Imai
Ohara Junior High School, Isumi 298-0004, Japan
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Masayuki Hyodo
Education and Research Center for Environments of Inland Sea, Kobe University