@article {271,
	title = {Ozone injury on cutleaf coneflower (Rudbeckia laciniata) and crown-beard (Verbesina occidentalis) in Great Smoky Mountains National Park},
	journal = {Environmental Pollution},
	volume = {125},
	year = {2003},
	month = {09/2003},
	pages = {53-59},
	chapter = {53},
	author = {A.H. Chappelka and H.S. Neufeld and A.W. Davison and G.L. Somers and J.R. Renfro}
}
