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2. Crop assemblage of Korean Bronze age;Ahn;J. Honam Archaeol. Soc.,2008
3. State Formation in Korea: Historical and Archaeological Perspectives;Barnes,2001
4. Radiocarbon Dating;Bowman,1990
5. Radiocarbon calibration and analysis of stratigraphy: the OxCal program;Bronk Ramsey;Radiocarbon,1995