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Establishing Even-age Northern Hardwood Regeneration by the Shelterwood Method
Richard M. Godman
其他書名
A Preliminary Guide
出版North Central Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1973
URLhttp://books.google.com.hk/books?id=XORNq-oRk2AC&hl=&source=gbs_api
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