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Diagnostic Features of Some Discolorations Common to Aircraft Hardwoods

Theodore Comstock Scheffer

出版	United States Department of Agriculture, Agricultural Research Administration, Bureau of Plant Industry, Soils, and Agricultural Engineering, Division of Forest Pathology, 1944
URL	http://books.google.com.hk/books?id=h-5gHQAACAAJ&hl=&source=gbs_api