Bedard, W. D., and T. T. Terrell. 1939. A method for predicting the trend of mountain pine beetle infestations in western white pine. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
Bedard & Terrell 1939
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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