@proceedings {2846,
	title = {Interactive Effects of Natural and Anthropogenic Factors on Growth and Physiology of Southern Red Spruce},
	journal = {US/FRG Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany: October 19-23, 1987},
	year = {1988},
	month = {December},
	pages = {381-388},
	publisher = {U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station},
	address = {Broomall, PA},
	keywords = {Clingmans Dome, Flora, Fraser fir, Red spruce, Trees},
	url = {http://www.fs.fed.us/ne/newtown_square/publications/technical_reports/pdfs/scanned/OCR/ne_gtr120a.pdf},
	author = {McLaughlin, Samuel B and Andersen, Christian P and Hanson, Paul J and Norby, R. J and Edwards, N. T and Tardiff, R. R},
	editor = {Hertel, Gerard}
}
@article {5043,
	title = {Interactive Effects of Natural and Anthropogenic Factors on Growth and Physiology of Southern Red Spruce},
	year = {1987},
	institution = {Environmental Sciences Division, Oak Ridge National Labratory and Phyton Technologies, Oak Ridge, Tenn.},
	keywords = {Air pollution, Clingmans Dome, Flora, Fraser fir, Red spruce, Trees},
	url = {http://diglib.lib.utk.edu/dotsdata/McLaughlin_InteractiveEffectsOfNaturalAndAnthropogenicFactors_1987.pdf},
	author = {McLaughlin, Samuel B and Andersen, Christian P and Hanson, Paul J and Norby, R. J and Edwards, N. T and Tardiff, R. R}
}
