- Skillen, E. L., C. W. Berisford, M. A. Camann, and R. C. Reardon. 1997. Semiochemicals of forest and shade trees insects in North America and management applications. United States Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team FHTET-96-15182.
- Skillen, E., C. Berisford, M. Camann, and R. Reardon. 1997. Semiochemicals of forest and shade trees insects in North America and management applications. United States Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team (Morgantown, W. Virginia) FHTET-96-15. 182 pp.