Callaham, R. Z. 1952b. The role of quantitative oleoresin production in the susceptibility of pines to bark beetles. United States Department of Agriculture, Rureau of Entomology and Plant Quarantine, Forest Insect Laboratory, Rerkeley, California, Report. 8 P.
Callaham 1952
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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