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Trends in Precipitation and Stream-water Chemistry in the Northeastern United States, Water Years 1984-96
David W. ClowM. Alisa Mast
出版U.S. Department of the Interior, U.S. Geological Survey, 1999
URLhttp://books.google.com.hk/books?id=uwk1Pr7nDf4C&hl=&source=gbs_api
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