- Thistle, H., P. Shea, E. Holsten, and D. Caleche. 1998. Pheromone dispersion in the canopy trunk space. Pages 669-674 In Brighton Crop Protection Conference: Pests & Diseases — 1998: Volume 2: Proceedings of an International Conference, Brighton, UK, November 16-19, 1998. British Crop Protection Council; Farnham, UK.
- Thistle, H., P. Shea, E. Holsten, and D. Caleche. 1999. Pheromone dispersal in a canopy trunk space-analysis of plume data. ASAE-CSAE-SCGR Annual International Meeting, Toronto, Ontario, Canada, 18-21 July 1999. ASAE Paper No. 991013. American Society of Agricultural Engineers (ASAE), St. Joseph, USA.