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An Evaluation of Japanese Softwood Construction Lumber Grading Systems and Their Implications for North American Export Lumber Producers

David G. BriggsNathan Dickens

出版	Center for International Trade in Forest Products, University of Washington, College of Forest Resources, 1984
URL	http://books.google.com.hk/books?id=Y_dNAQAAMAAJ&hl=&source=gbs_api