@article {3119,
	title = {Temporal Patterns of Foliar Ozone Smptoms on Tall Milkweed (Asclepias exaltata L.) in Great Smoky Mountains National Park},
	journal = {Environmental Pollution},
	volume = {149},
	year = {2007},
	month = {October},
	pages = {358-365},
	keywords = {Air quality, Ecosystem, Flora, Topography, Trails},
	author = {Chappelka, Arthur H and Somers, Greg L and Renfro, James R}
}
