@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} }