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Water-quality and Aquatic-community Characteristics of Selected Reaches of the St. Croix River, Minnesota and Wisconsin, 2000
G. A. Payne
出版U.S. Department of the Interior, U.S. Geological Survey, 2002
URLhttp://books.google.com.hk/books?id=04PuAAAAMAAJ&hl=&source=gbs_api
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