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다국어입력
11
12
김길희, Yuichi Sato, | 한국콘크리트학회 | 2005 ,
13
Setsuo Takaki, Toshihiro Tsuchiyama, Koichi Nakas, | 대한금속.재료학회 | 2004 ,
14
Stanfield, Peggy, 594.37-S785n | Jones and Bartlett Publishers | 1986 594.37-S785n,
15
Hirschmeier, Johannes, 320.913-H669d | Hardvard University | 1975 320.913-H669d,