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Time of Travel of Solutes in the Tuscarawas River Basin, Ohio, August and September, 1974
Arthur O. WestfallEarl Edward Webber
出版U.S. Geological Survey, Water Resources Division, 1977
URLhttp://books.google.com.hk/books?id=5U2zUVZsK4YC&hl=&source=gbs_api
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