Patterson, M. C., L. J. Samuelson, Greg L. Somers, and A. Mays. "Environmental Control of Stomatal Conductance in Forest Trees of the Great Smoky Mountains National Park." Environmental Pollution 110, no. 2 (2000): 225-233.

Samuelson, L. J., and J. M. Kelly. "Ozone Uptake in Prunus serotina, Acer rubrum and Quercus rubra Forest Trees of Different Sizes." New Phytologist 136, no. 2 (1997): 225-264.