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Water Resources Research Catalog

United States. Office of Water Research and Technology

出版	Department of the Interior, Office of Water Research and Technology, Water Resources Scientific Information Center, 1969
URL	http://books.google.com.hk/books?id=gX8rOuWSTx0C&hl=&source=gbs_api

註釋

Beginning with vol. 9, only new and continuing but modified projects are listed. Vols. 8- should be kept as a record of continuing but unchanged projects.