@article {3921,
	title = {Exploring Interactions Between Pollutant Emissions and Climatic Variability in Growth of Red Spruce in the Great Smoky Mountains National Park},
	journal = {Water Air and Soil Pollution},
	volume = {159},
	year = {2004},
	month = {November},
	pages = {225-248},
	keywords = {Climate, Pollution, Red spruce, Trees, Trees -- Growth},
	author = {Webster, K. L and Creed, Irena F and Nicholas, Niki Stephanie and Van Miegroet, Helga}
}
@article {5045,
	title = {Is There Synchronicity in Nitrogen Input and Output Fluxes at the Noland Divide Watershed, a Small N-Saturated Forested Catchment in the Great Smoky Mountains National Park},
	journal = {The Scientific World Journal},
	volume = {1},
	year = {2001},
	note = {Maps},
	pages = {480-492},
	keywords = {Acid rain, Air particles -- Deposition, Climate, Ecosystem, Fraser fir, Pollution, Red spruce, Woolly adelgids},
	url = {http://www.tswj.com/2001/378681/abs/},
	author = {Van Miegroet, Helga and Creed, Irena F and Nicholas, Niki Stephanie and Tarboton, D. G and Webster, K. L and Shubzda, J. and Robinson, B. and Smoot, James L and Johnson, Dale W and Lindberg, Steven E and Lovett, G. and Nodvin, Stephen C and Moore, Stephen E}
}
@inbook {2868,
	title = {Assessment of Forest Decline in the Southern Appalachian Spruce-Fir Forest, USA},
	booktitle = {Air Pollution and Forest Decline: Proceedings of the 14th International Meeting for Specialists in Air Pollution Effects on Forest Ecosystems, International Union of Forest Research O},
	year = {1989},
	pages = {239-44},
	publisher = {Eidgen{\"o}ssische Anstalt f{\"u}r das forstliche Versuchswesen},
	organization = {Eidgen{\"o}ssische Anstalt f{\"u}r das forstliche Versuchswesen},
	address = {Birmensdorf, Switzerland},
	keywords = {Pollution, Spruce-Fir forests, Trees -- Growth decline},
	author = {Zedaker, Shephard M and Nicholas, Niki Stephanie and Eagar, Christopher C}
}
@proceedings {2900,
	title = {Stand Characteristics Associated with Potential Decline of Spruce-Fir Forests in the Southern Appalachians},
	journal = {Proceedings of the US/FRG Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany},
	year = {1988},
	month = {October 19-23},
	pages = {123-131},
	publisher = {U.S.D.A. Forest Service},
	address = {Burlington, VT},
	keywords = {Fraser fir, Pollution, Red spruce, Trees -- Growth decline, Woolly adelgids},
	url = {http://www.fs.fed.us/ne/newtown_square/publications/technical_reports/pdfs/scanned/OCR/ne_gtr120c.pdf},
	author = {Zedaker, Shephard M and Nicholas, Niki Stephanie and Eagar, Christopher C and White, Peter S and Burk, Thomas E}
}
@article {4195,
	title = {The Effect of Balsam Woolly Aphid Infestation on Fuel Levels in Spruce-Fir Forests of Great Smoky Mountains National Park},
	year = {1985},
	month = {January},
	institution = {National Park Service -- Southeast Region},
	keywords = {Fraser fir, Insects, Pollution, Trees -- Decay, Woolly adelgids},
	url = {http://www31.us.archive.org/details/effectofbalsamwo00nich},
	author = {Nicholas, Niki Stephanie and White, Peter S}
}
