@inbook {4786,
	title = {The Effects of Atmospheric Deposition and Ozone on Carbon Allocation and Associated Physiological Processes in Red Spruce},
	booktitle = {Ecology and Decline of Red Spruce in the Eastern United States},
	volume = {96},
	year = {1992},
	pages = {338-382},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {New York, NY},
	keywords = {Climate, Red spruce, Spruce-Fir forests},
	author = {McLaughlin, Samuel B and Kohut, Robert J}
}
@article {4986,
	title = {Seasonal variation in nitrate reductase activity in needles of high-elevation red spruce trees},
	journal = {Canadian Journal of Forest Research},
	volume = {22},
	year = {1992},
	note = {Tables},
	pages = {375-380},
	publisher = {NRC Research Press},
	address = {Ottawa, Ontario, Canada},
	keywords = {Pollution, Red spruce, Soils, Spruce-Fir forests},
	author = {Tjoelker, Mark G and McLaughlin, Samuel B and DiCosty, R. J and Lindberg, Steven E and Norby, R. J}
}
@article {4655,
	title = {Seasonal Patterns of Photosynthesis and Respiration of Red Spruce Saplings from Two Elevations in Declining Southern Appalachian Stands},
	journal = {Canadian Journal of Forest Research},
	volume = {20},
	year = {1990},
	pages = {485-495},
	keywords = {Air pollution, Clingmans Dome, Red spruce, Spruce-Fir forests, Woolly adelgids},
	author = {McLaughlin, Samuel B and Andersen, Christian P and Edwards, N. T and Roy, W. Kelly and Layton, P. A}
}
