White, D. H., C. A. Mitchell, L. D. Wynn, E. L. Flickinger, and E. J. Kolbe. 1982. Organophosphate insecticide poisoning of Canada geese in the Texas Panhandle. J. Field Ornithol. 53:22–27.
Whitmore, R. W., J. E. Kelly, P. L. Reading, E. Brandt, and T. Harris. 1993. National home and garden pesticide use survey. Pp. 18-36 in Pesticides in Urban Environment: Fate and Significance, K. D. Racke and A. R. Leslie, eds. Washington, DC: American Chemical Society,
Winter, D. K. 1992. Pesticide tolerances and their relevance as safety standards. Reg. Tox. and Pharm. 15:137–150.
Yarkin, C., D. Sunding, D. Zilberman, and J. Siebert. 1994. Cancelling methyl bromide for postharvest use to trigger mixed economic results. Calif. Ag. 48:16–21.
Zabik, J. M., and J. N. Seiber. 1993. Atmospheric transport of organophosphate pesticides from California 's Central Valley to the Sierra Nevada mountains. J. Env. Qual. 22:80–90.
Zahm, S. H., and M. H. Ward. 1998. Pesticides and Childhood Cancer. Environmental Health Perspectives 106 (Supplement 3). Rockville, Md.: National Cancer Institute.
Zilberman, D., A. Schmitz, G. Casterline, E. Lichtenberg, and J.,B. Siebert. 1991. The economics of pesticide use and regulation. Science 253:518–22.