Barker, J.R., and D.T. Tingey. 1992. The effects of air pollution on biodiversity: A synopsis. Chap. 1 in Air pollution effects on biodiversity, edited by J.R. Barker and D.T. Tingey, 3-8. New York: Van Nostrand Reinhold.

Council on Environmental Quality. 1993. Environmental quality. 23rd Annual Report. Washington, D.C.: U.S. Government Printing Office. (January): 7-9, 14-16, and 326-340. Godish, T. 1991. Air quality, 2d ed., 65-85, 89, 131-133, and 173.

Chelsea, Mich.: Lewis Publishers, Inc. Mackenzie, J.J., and M.T. El-Ashry. 1989. Tree and crop injury: A summary of the evidence. Chap. 1 in Air pollution's toll on forests and crops, edited by J.J. Mackenzie and M.T. El-Ashry, 1-19. New Haven, Conn.: Yale University Press. Office of Technology Assessment. 1989. Catching our breath—Next steps for reducing urban ozone. OTA-0-412. Washington, D.C.: U.S. Congress. (July): 4-9.

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