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| The research on drought disasters and wavelet analysis in Jinan in Ming Dynasty |
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XING Shan,ZHAO Jing-bo1,2
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1.College of Tourism and Environment, Shaanxi Normal University, Xi′an 710062, China;2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,
Chinese Academy of Sciences, Xi′an 710075, China
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