Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Coulson, R. N., P. E. Pulley, J. L. Foltz, and W. C. Martin. 1976. Procedural guide for quantitatively sampling within-tree populations of Dendroctonus frontalis. Texas Agricultural Experiment Station, Miscellaneous Publication 1267. 26 p.