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Abstracts of Recent Published Material on Soil and Water Conservation

出版	U.S. Department of Agriculture, Soil Conservation Service, 1959
URL	http://books.google.com.hk/books?id=3Z5Oc-V4koAC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Abstracts for Dec. 1954- issued in the Agricultural Research Service's series ARS-41.