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The Influence of Viewing Angle on Elk Hiding Cover in Young Timber Stands

Jodie E. Canfield

出版	U.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1986
URL	http://books.google.com.hk/books?id=UQBYAQYT2EsC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN