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Ozone and PM2.5 Exposure and Acute Pulmonary Health Effects: A Study of Hikers in the Great Smoky Mountains National Park." Environmental Health Perspectives 114, no. 7 (2006): 1044-1052.
"Preliminary Findings From the Great Smoky Mountains National Park Air Quality and Hiker Health Study." Epidemiology 15, no. 4 (2004): S216.
"An Evaluation of the Backcountry Camping Permit System for 1983 and 1986 at Great Smoky Mountains National Park. Gatlinburg, TN: Uplands Field Research Laboratory, Great Smoky Mountains National Park, 1989.
Visitor Use Patterns at Great Smoky Mountains National Park In Research/Resources Management Report. Gatlinburg, TN: Uplands Field Research Laboratory, 1988.