@article {11903,
	title = {Relationships between Cellular Injury, Visible Injury of Leaves, and Ozone Exposure Levels for Several Dicotyledonous Plant Species at Great Smoky Mountains National Park},
	journal = {Environmental and Experimental Botany},
	volume = {36},
	year = {1996},
	pages = {229-237},
	publisher = {Elsevier},
	keywords = {Air pollution, Blackberries, Fauna, Flowering plants, Ozone, Sassafras},
	author = {Evans, Lance S and Adamski, John H and Renfro, James R}
}
@article {6106,
	title = {Sensitivity of Sycamore Seedlings (Platanus occidentalis) to Ozone in Great Smoky Mountains National Park Data from 1989},
	year = {1993},
	month = {December},
	institution = {U. S. Department of the Interior, National Park Service},
	keywords = {Air pollution, Ozone, Trees},
	isbn = {Technical Report NPS/NRTR-93/131},
	author = {Neufeld, Howard S and Renfro, James R}
}
@article {6096,
	title = {Great Smoky Mountains Plants Studies for Ozone Sensitivity},
	journal = {Park Science:  A Resource Management Bulletin},
	volume = {12},
	year = {1992},
	month = {Winter},
	pages = {6-7},
	keywords = {Air pollution, Flora, Ozone},
	author = {Hacker, W. David and Renfro, James R}
}
@proceedings {5350,
	title = {Ozone Biomonitoring Trend Plots and Surveys in Great Smoky Mountains National Park},
	journal = {Third Annual Southern Appalachian Man and the Biosphere Conference},
	year = {1992},
	month = {November},
	pages = {45},
	publisher = {Tennessee Valley Authority},
	address = {Gatlinburg, TN},
	keywords = {Air pollution, Ozone, Trees -- Growth decline, Vegetation monitoring},
	author = {Chappelka, Arthur H and Renfro, James R}
}
@proceedings {5361,
	title = {Ozone Response of Selected Plant Species from the Great Smoky Mountains National Park},
	journal = {First Annual Southern Appalachian Man and the Biosphere Conference},
	year = {1990},
	month = {November},
	pages = {40},
	publisher = {Tennessee Valley Authority},
	address = {Gatlinburg, TN},
	keywords = {Air pollution, Flora, Ozone},
	author = {Hacker, W. David and Renfro, James R}
}
