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Water-quality Trends in New England Rivers During the 20th Century

Keith W. RobinsonJean P. CampbellNorbert A. Jaworski

出版	U.S. Department of the Interior, U.S. Geological Survey, 2003
URL	http://books.google.com.hk/books?id=GYTuAAAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN