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Incidence, Severity, and Growth Losses Associated with Ponderosa Pine Dwarf Mistletoe on the Coconino National Forest, Arizona

出版	USDA Forest Service, Southwestern Region, State and Private Forestry, Forest Pest Management, 1985
URL	http://books.google.com.hk/books?id=rkEMPwAACAAJ&hl=&source=gbs_api