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Stereo Photo Series for Quantifying Forest Residues in the Douglas-fir-hemlock Type of the Willamette National Forest

Roger D. Ottmar

出版	U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1990
URL	http://books.google.com.hk/books?id=BQbkTvLDHzoC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN