Wiener, J. G., W. F. Fitzgerald, C. J. Watras, and R. G. Rada. 1990. Partitioning and bioavailability of mercury in an experimentally acidified Wisconsin lake. Environ. Toxicol. Chem. 9:909–918.
Winchester, J. W., and C. D. Nifong. 1971. Water pollution in Lake Michigan by trace elements from pollution aerosol fallout. Water Air Soil Pollut. 1:50–64.
Wolf, E. W., and D. A. Peel. 1985. The record of global pollution in polar snow and ice. Nature 313:535-540.
Woodwell, G. M., C. F. Wurster, Jr., and P. A. Isaacson. 1967. DDT residues in an east coast estuary: A case of biological concentration of a persistent insecticide. Science 56:821–824.
Woodwell, G. M., F. T. MacKenzie, R. A. Houghton, M. J. Apps, E. Gorham, and E. A. Davidson. 1995. Will the warming speed the warming? Pp. 393–411 in Biotic Feedbacks in the Global Climate System, G. M. Woodwell and F. T. Mackenzie, eds. New York: Oxford University Press.
Wright, H. E., Jr., B. Coffin, and N. Aaseng, eds. 1992. Patterned Peatlands of Northern Minnesota. Minneapolis: University of Minnesota Press.
Xun, L., N. E. R. Campbell, and J. W. M. Rudd. 1987. Measurements of specific rates of net methyl mercury production in the water column and surface sediments of acidified and circumneutral lakes. Can. J. Fish. Aquat. Sci. 44:750–757.