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Ecology and Development of Douglas-fir Seedlings and Associated Plant Species in a Coast Range Plantation

Philip M. McDonald

出版	U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1999
URL	http://books.google.com.hk/books?id=rlfQNFmSXWgC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN