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Surface-water Quality of the Cedar River Basin, Iowa-Minnesota, with Emphasis on the Occurance and Transport of Herbicides, May 1984 Through No Vember 1985
Paul J. SquillaceR. A. Engberg
出版Department of the Interior, U.S. Geological Survey, 1988
URLhttp://books.google.com.hk/books?id=2y9JWjuRNYkC&hl=&source=gbs_api
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