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다국어입력
11
Min-Gyu Lee, Kuen-Hack Suh, Tadashi Hano, | The Korean Environmental Sciences Societ | 1997 ,
12
13
Kwang-Woo Choi, Nam-Hyo Heo, Hae Goon Lee, Gee-Ba, | The Korean Environmental Sciences Societ | 1999 ,