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Silviculture of Southwestern Mixed Conifers and Aspen

其他書名	The Status of Our Knowledge
出版	U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1974
URL	http://books.google.com.hk/books?id=PnWvdIj-kgIC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN