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Detection and Classification of Scleroderris Canker in Pine Stands Using Aerial Photography

Paul F. HopkinsLawrence P. Abrahamson

出版	State University of New York, College of Environmental Science and Forestry, 1979
URL	http://books.google.com.hk/books?id=F7QrAQAAMAAJ&hl=&source=gbs_api