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Reducing Mortality in Old-growth Northern Hardwoods Through Partial Cutting

Francis Howlett Eyre

出版	Lake States Forest Experiment Station, U.S. Department of Agriculture, Forest Service, 1951
URL	http://books.google.com.hk/books?id=5Gz2_GpukAkC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN