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Diameter Growth of Western White Pine Following Precommercial Thinning

Glenn H. Deitschman

出版	U.S. Department of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station, 1966
URL	http://books.google.com.hk/books?id=Wc23t_aqYI0C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN