1. Application of Competitive Enzyme-Linked Immunosorbent Assay for the Quantification of Imidacloprid Titers in Xylem Fluid Extracted from Grapevines
2. Costa S. D. 2005. Sampling for detection and monitoring of hemlock woolly adelgid within hemlock stands. Proceedings, pp. 57–62. In B. Onken and R. Reardon (eds.), Third symposium on hemlock woolly adelgid in the Eastern United States; Asheville, NC. Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team, Morgantown, WV.
3. Costa S. Onken B. . 2006. Standardizing sampling for detection and monitoring of hemlock woolly adelgid in eastern hemlock forests. Forest Health Technology Enterprise Team, FHTET-2016-16, Morgantown, WV.
4. Cheah C. Montgomery M. E. Salom S. M. Parker B. L. Costa S. Skinner M. . 2004. Biological Control of Hemlock Woolly Adelgid. USFS FHTET Report, FHTET-2004-04.
5. Cook B. F. 2008. Liquid chromatography tandem mass spectrometry (LC/MS/MS) determination of the uptake, persistence and metabolism of imidacloprid in treated hemlock trees. M. Sc. thesis, Villanova University, Villanova, PA, 68 p.