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Google圖書搜尋
A Practical Method of Determining Proper Lengths of Runs, Sizes of Furrow Streams and Spacing of Furrows on Irrigation Lands
Wayne D. Criddle
其他書名
Provisional
出版
U.S. Department of Agriculture, Soil Conservation Service, Research
, 1950
URL
http://books.google.com.hk/books?id=WixSAQAAMAAJ&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN