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Effects of Partial Cutting on Diseases, Mortality, and Regeneration of Rocky Mountain Aspen Stands
James W. Walters
出版
Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture
, 1982
URL
http://books.google.com.hk/books?id=twZZ0AEACAAJ&hl=&source=gbs_api