Callaham, R. Z., and J. M. Miller. 1952. Studies of resistance of pine hybrids to bark beetle attacks, season of 1951. United States Department of Agriculture, Rureau of Entomology and Plant Quarantine, Forest Insect Laboratory, Rerkeley, California, Report. 31 p.
Callaham & Miller 1952
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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