Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Hard, J. S., R. A. Werner, and E. H. Holsten. 1983. Susceptibility of white spruce (Picea glauca) to attack by spruce beetles (Dendroctonus rufipennis) during the early years of an outbreak in Alaska . Canadian Journal of Forest Research 13:678-684.