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New Timber Cruising Grades for Coast Douglas-fir

Paul H. LaneRichard O. WoodfinJohn W. HenleyMarlin E. Plank

出版	Pacific Northwest Forest and Range Experiment Station, U.S. Department of Agriculture, 1973
URL	http://books.google.com.hk/books?id=Ngf9chyvKAEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN