Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Pulley, P. E., J. L. Foltz, R. N. Coulsen, and W. C. Martin. 1977. Evaluation of procedures for estimating within-spot populations of attacking adult Dendroctonus frontalis (Coleoptera: Scolytidae) . Canadian Entomologist 109:1325-1334.