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Cost-effectiveness of the Stream-gaging Program in Maryland, Delaware, and the District of Columbia
David H. Carpenter
Robert W. James
Dennis F. Gillen
出版
Department of the Interior, U.S. Geological Survey
, 1987
URL
http://books.google.com.hk/books?id=DCWHruX8oxQC&hl=&source=gbs_api
EBook
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