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Chang-Shuk Kim, | 대한전자공학회 | 2002 ,
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Kim Eungho, 539.2-K49mm | Republic of Korea ministry of environment | 539.2-K49mm,
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Bangudae Petroglyphs Institute University of Ulsan, 911.89-B216P-R | Hollym | 2015 911.89-B216P-R,