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Pine Valley Ridge Source--a Superior Selected Germplasm of Black Sagebrush

Bruce Leigh Welch

出版	U.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1994
URL	http://books.google.com.hk/books?id=an5GAQAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN