Ammon, G., and K. Ryan. 1994. Using pheromones to protect heatinjured lodgepole pine from mountain pine beetle infestation. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), Research Note INT-419.
Ammon & Ryan 1994
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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