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Distribution of Biomass and Nutrients in Lodgepole Pine/bitterbrush Ecosystems in Central Oregon

Susan N. Little

出版	U.S. Department of Agriculture, Pacific Northwest Research Station, 1992
URL	http://books.google.com.hk/books?id=yQrW0ZGatDEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN