@article{walker_holman_leidy_2000, title={ELISA and GC/MS analysis of pesticide residues in North Carolina}, volume={36}, DOI={10.1111/j.1752-1688.2000.tb04249.x}, number={1}, journal={Journal of the American Water Resources Association}, author={Walker, A. E. and Holman, R. E. and Leidy, R. B.}, year={2000}, pages={67–74} }
 @article{holman_leidy_walker_2000, title={Evaluation of selected pesticides in North Carolina surface water supplies: Intake study}, volume={36}, DOI={10.1111/j.1752-1688.2000.tb04250.x}, number={1}, journal={Journal of the American Water Resources Association}, author={Holman, R. E. and Leidy, R. B. and Walker, A. E.}, year={2000}, pages={75–85} }