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Centralized Management and Utilization Adapted to Farm Woodlands in the Northeast

Charles Edward BehreC. R. Lockard

出版	Charles Lathrop Pack forestry foundation and the New York state college of forestry at Syracuse university, 1937
URL	http://books.google.com.hk/books?id=6tUsAQAAMAAJ&hl=&source=gbs_api