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다국어입력
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Kwon Sung-Hyun, 539.9-K98m-TD | University of Southern California | 1997 539.9-K98m-TD,
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Woo-Zin Choi, Soo-Bok Jeong, Young-Bae, Chae, | 한국암반공학회 | 2005 ,
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Hackman, Christian L., 539.97-H123h | McGraw-Hill | 2002 539.97-H123h,
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