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• 2010

• Proceedings of the Korean Institute of Communication Sciences Conference
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Karst in Korean peninsula is not widely known. Since karst studies had been initiated a few hundred years ago based on the historic records “Dong Guck Ye Jee Seoung Lam” and “Sae Jong Sill Rok Gee Ri Jee” (1993, Oh), modern caverns during the 60s have inactively started to search on the karst phenomena to the eastern mountaineious areas.(omitted)

• Proceedings of the Korean Magnestics Society Conference
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• Magazine of the Korea Concrete Institute
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