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Response of grass species to tree harvesting in singleleaf pinyon-Utah juniper stands

Richard L. Everett

出版	U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1985
URL	http://books.google.com.hk/books?id=uXtGAQAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN