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Multilingual
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Yoonho Song, Seong Kon Lee, Hyoung Chan Kim, Weon, | 한국암반공학회 | 2003 ,
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Jung-Ho Kim, Myeong-Jong Yi, Se-Ho Hwang, Yoonho, | 한국암반공학회 | 2003 ,
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Hee Joon Kim, Yoonho Song, | 한국암반공학회 | 2003 ,