@article {5071,
	title = {Lichen Monitoring at the Great Smoky Mountains National Park},
	year = {1992},
	note = {Maps},
	institution = {International Plant and Pollution Research Laboratory, Estonian Academy of Sciences},
	keywords = {Ecosystem, Flora -- Classification and description, Lichens, Pollution},
	url = {http://diglib.lib.utk.edu/dotsdata/Martin_LichenMonitoring1992.pdf},
	author = {Martin, J. L}
}
