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Mortality Risks for Forest Trees Threatened with Gypsy Moth Infestation
Owen W. HerrickDavid A. Gansner
出版United States Department of Agriculture Forest Service, Northeastern Forest Experiment Station, 1987
URLhttp://books.google.com.hk/books?id=xEbm5Yx8nUIC&hl=&source=gbs_api
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