@article {3192,
	title = {Estimated Ultraviolet Radiation Doses in Wetlands in Six National Parks},
	journal = {Ecosystems},
	volume = {8},
	year = {2005},
	month = {August},
	pages = {462-477},
	keywords = {Amphibians, Geographic information systems, Pollution, Ultraviolet radiation},
	url = {http://www.springerlink.com/content/u27m53773373h464/fulltext.pdf},
	author = {Diamond, Stephen A and Trenham, Peter C and Adams, Michael J and Hossack, Blake R and Knapp, Roland A and Stark, Stacy L and Bradford, David and Corn, P Stephen and Czarnowski, Ken and Brooks, Paul D and Fagre, Dan and Breen, Bob and Detenbeck, Naomi E and Tonnessen, Kathy A}
}
@article {3815,
	title = {Clearing the Air at Great Smoky Mountains National Park},
	journal = {Ecological Applications},
	volume = {4},
	year = {1994},
	month = {November},
	pages = {690-701},
	keywords = {Acid rain, Air quality, Forests, Pollution},
	author = {Shaver, Christine L and Tonnessen, Kathy A and Maniero, Tonnie G}
}
