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다국어입력
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Dong-heng Cho, Chang-yourl Lee, | 한국암반공학회 | 2000 ,
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Dong-Hae Yeom, Ki-Hong Im, Jin-Young Choi, | 제어자동화시스템공학회 | 2005 ,
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Malaurie , Jean, 980-M239c-R | Harry N. Abrams | 2001 980-M239c-R,
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Yang, Sung Chul, 340.911-Y22p | Seoul Press | 1998 340.911-Y22p,