@article {3171,
	title = {Interpreting Spatial Variation in Ozone Symptoms Shown by Cutleaf Cone Flower, Rudbeckia laciniata L},
	journal = {Environmental Pollution},
	volume = {125},
	year = {2003},
	pages = {61-70},
	keywords = {Air quality, Ecosystem, Flora, Flowering plants, Ozone, Pollution},
	author = {Davison, Alan W and Neufeld, Howard S and Chappelka, Arthur H and Wolff, K. and Finkelstein, Peter L}
}
