@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}
}
