- Gammill, W. J. 1978. An evaluation of chloropyrifos used in combination with frontalure and endobrevicomin for manipulation of southern pine beetle, Dendroctonus frontalis Zimmermann. Unpublished thesis, Mississippi State University, State College. 38 p.
- Gammill, W. J., G. Fitzpatrick, and W. W. Noel. 1978. A dispenser for release of the aggregating pheromone of the southern pine beetle . Georgia Entomological Society, Journal 13:95-97.