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1Academic Journal
المؤلفون: Eiji Kohama, Masafumi Miyata, Takashi Nagao, Tsuyoshi Tanaka, Yukichi Eiji, 宮田 正史, 小濱 英司, 永治 勇吉, 田中 剛, 長尾 毅
المصدر: Proceedings of the Japan National Conference on Geotechnical Engineering. 2002, :1943
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2Academic Journal
المؤلفون: Katsuya Watanabe, Mikio Kondou, Shingo Kanou, Tsutomu Iwai, Yukichi Eiji
المصدر: Geosynthetics Engineering Journal. 2003, 18:33
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3Academic Journal
المؤلفون: Katsuya ODA, Katsuya WATANABE, Mikio KONDO, Shingo KANO, Yukichi EIJI
المصدر: Geosynthetics Engineering Journal. 2005, 20:141