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Biological Evaluation of a Roundheaded Pine Beetle Outbreak in the Pinaleno Mountains, Safford Ranger District, Coronado National Forest

Jill L. Wilson

出版	USDA Forest Service, Southwestern Region, State and Private Forestry and Forest Pest Management, 1993
URL	http://books.google.com.hk/books?id=rRjGr-58dv8C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN