Knapr Andrew K., J. C. W., J. T. Hoffman, V. Kalve, and L. L. Madeline. 1989. Forest insect and disease conditions: Intermountain Region 1988. United States Department of Agriculture, Forest Service, Intermountain Region, Ogden, Utah. 31 p.
Knapr Andrew K. et al. 1989
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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