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Volume Equations for Second-growth Douglas-fir

David BruceDonald J. DeMars

出版	Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1974
URL	http://books.google.com.hk/books?id=sYnR6SFOfRYC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN