Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Foltz, J. L., P. E. Pulley, R. N. Coulson, and W. C. Martin. 1977. Procedural guide for estimating within-spot populations of Dendroctonus frontalis. Texas Agricultural Experiment Station, Miscellaneous Publication MP-1316. 27 p.